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40024010420 = 2254346539547
BaseRepresentation
bin100101010001100111…
…011110111010110100
310211022100020101121022
4211101213132322310
51123432121313140
630215313240312
72614555322012
oct452147367264
9124270211538
1040024010420
1115a79568469
12790bb63098
133a0b03b204
141d1985b8b2
151093b7b0b5
hex9519deeb4

40024010420 has 24 divisors (see below), whose sum is σ = 86005084704. Its totient is φ = 15637287456.

The previous prime is 40024010417. The next prime is 40024010437. The reversal of 40024010420 is 2401042004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23268914 + ... + 23270633.

It is an arithmetic number, because the mean of its divisors is an integer number (3583545196).

Almost surely, 240024010420 is an apocalyptic number.

It is an amenable number.

40024010420 is an abundant number, since it is smaller than the sum of its proper divisors (45981074284).

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

40024010420 is a wasteful number, since it uses less digits than its factorization.

40024010420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46539599 (or 46539597 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 40024010420 its reverse (2401042004), we get a palindrome (42425052424).

The spelling of 40024010420 in words is "forty billion, twenty-four million, ten thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 46539547 93079094 186158188 232697735 465395470 930790940 2001200521 4002401042 8004802084 10006002605 20012005210 40024010420