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1340260768 = 257113761241
BaseRepresentation
bin100111111100010…
…1100000110100000
310110101221022010201
41033320230012200
510221101321033
6340554234544
745133012540
oct11770540640
93411838121
101340260768
116285a6830
12314a25a54
13184893412
14ca001320
157c9e447d
hex4fe2c1a0

1340260768 has 192 divisors, whose sum is σ = 3448279296. Its totient is φ = 497664000.

The previous prime is 1340260721. The next prime is 1340260783. The reversal of 1340260768 is 8670620431.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5561128 + ... + 5561368.

It is an arithmetic number, because the mean of its divisors is an integer number (17959788).

Almost surely, 21340260768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1340260768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1724139648).

1340260768 is an abundant number, since it is smaller than the sum of its proper divisors (2108018528).

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

1340260768 is a wasteful number, since it uses less digits than its factorization.

1340260768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 367 (or 359 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 1340260768 is about 36609.5720816291. The cubic root of 1340260768 is about 1102.5452817069.

The spelling of 1340260768 in words is "one billion, three hundred forty million, two hundred sixty thousand, seven hundred sixty-eight".