64038704352 has 48 divisors (see below), whose sum is σ = 192116115072. Its totient is φ = 18296772480.

The previous prime is 64038704347. The next prime is 64038704363. The reversal of 64038704352 is 25340783046.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (42).

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, 47647174 + ... + 47648517.

It is an arithmetic number, because the mean of its divisors is an integer number (4002419064).

Almost surely, 2^64038704352 is an apocalyptic number.

It is an amenable number.

64038704352 is an abundant number, since it is smaller than the sum of its proper divisors (128077410720).

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

64038704352 is a wasteful number, since it uses less digits than its factorization.

64038704352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95295711 (or 95295703 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 42.

The spelling of 64038704352 in words is "sixty-four billion, thirty-eight million, seven hundred four thousand, three hundred fifty-two".