40242644620 has 36 divisors (see below), whose sum is σ = 85540301280. Its totient is φ = 15903062944.

The previous prime is 40242644567. The next prime is 40242644633. The reversal of 40242644620 is 2644624204.

It is a super-2 number, since 2×40242644620² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8260 + ... + 283819.

It is an arithmetic number, because the mean of its divisors is an integer number (2376119480).

Almost surely, 2^40242644620 is an apocalyptic number.

It is an amenable number.

40242644620 is an abundant number, since it is smaller than the sum of its proper divisors (45297656660).

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

40242644620 is a wasteful number, since it uses less digits than its factorization.

40242644620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 292254 (or 292169 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 34.

The spelling of 40242644620 in words is "forty billion, two hundred forty-two million, six hundred forty-four thousand, six hundred twenty".