64252551804 has 96 divisors (see below), whose sum is σ = 171931200000. Its totient is φ = 18294681600.

The previous prime is 64252551793. The next prime is 64252551907. The reversal of 64252551804 is 40815525246.

64252551804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 31 ways as a sum of consecutive naturals, for example, 51442572 + ... + 51443820.

It is an arithmetic number, because the mean of its divisors is an integer number (1790950000).

Almost surely, 2^64252551804 is an apocalyptic number.

It is an amenable number.

64252551804 is an abundant number, since it is smaller than the sum of its proper divisors (107678648196).

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

64252551804 is a wasteful number, since it uses less digits than its factorization.

64252551804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2883 (or 2881 counting only the distinct ones).

The product of its (nonzero) digits is 384000, while the sum is 42.

The spelling of 64252551804 in words is "sixty-four billion, two hundred fifty-two million, five hundred fifty-one thousand, eight hundred four".