64257472302 has 24 divisors (see below), whose sum is σ = 131725927608. Its totient is φ = 20896735680.

The previous prime is 64257472283. The next prime is 64257472333. The reversal of 64257472302 is 20327475246.

It is a congruent number.

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, 3175393 + ... + 3195564.

It is an arithmetic number, because the mean of its divisors is an integer number (5488580317).

Almost surely, 2^64257472302 is an apocalyptic number.

64257472302 is an abundant number, since it is smaller than the sum of its proper divisors (67468455306).

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

64257472302 is a wasteful number, since it uses less digits than its factorization.

64257472302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6371044 (or 6371003 counting only the distinct ones).

The product of its (nonzero) digits is 564480, while the sum is 42.

The spelling of 64257472302 in words is "sixty-four billion, two hundred fifty-seven million, four hundred seventy-two thousand, three hundred two".