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2455040320 = 26556313627
BaseRepresentation
bin1001001001010100…
…1111000101000000
320100002120222012021
42102111033011000
520011442242240
61043340011224
7114560332645
oct22225170500
96302528167
102455040320
11104a896147
12586230b14
1330181a2a5
141940a9dcc
15e57e954a
hex9254f140

2455040320 has 56 divisors (see below), whose sum is σ = 5856878304. Its totient is φ = 980199936.

The previous prime is 2455040281. The next prime is 2455040321. The reversal of 2455040320 is 230405542.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2455040321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 173347 + ... + 186973.

Almost surely, 22455040320 is an apocalyptic number.

2455040320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2455040320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2928439152).

2455040320 is an abundant number, since it is smaller than the sum of its proper divisors (3401837984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2455040320 is a wasteful number, since it uses less digits than its factorization.

2455040320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14207 (or 14197 counting only the distinct ones).

The product of its (nonzero) digits is 4800, while the sum is 25.

The square root of 2455040320 is about 49548.3634442148. The cubic root of 2455040320 is about 1349.0235865989.

Adding to 2455040320 its reverse (230405542), we get a palindrome (2685445862).

The spelling of 2455040320 in words is "two billion, four hundred fifty-five million, forty thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 64 80 160 320 563 1126 2252 2815 4504 5630 9008 11260 13627 18016 22520 27254 36032 45040 54508 68135 90080 109016 136270 180160 218032 272540 436064 545080 872128 1090160 2180320 4360640 7672001 15344002 30688004 38360005 61376008 76720010 122752016 153440020 245504032 306880040 491008064 613760080 1227520160 2455040320