64740462852 has 48 divisors (see below), whose sum is σ = 163717410752. Its totient is φ = 19793255040.

The previous prime is 64740462821. The next prime is 64740462863. The reversal of 64740462852 is 25826404746.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1297174 + ... + 1346157.

Almost surely, 2^64740462852 is an apocalyptic number.

It is an amenable number.

64740462852 is an abundant number, since it is smaller than the sum of its proper divisors (98976947900).

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

64740462852 is a wasteful number, since it uses less digits than its factorization.

64740462852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2643508 (or 2643506 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 48.

The spelling of 64740462852 in words is "sixty-four billion, seven hundred forty million, four hundred sixty-two thousand, eight hundred fifty-two".