64238192472 has 64 divisors (see below), whose sum is σ = 161619494400. Its totient is φ = 21276590720.

The previous prime is 64238192471. The next prime is 64238192489. The reversal of 64238192472 is 27429183246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64238192471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2666722 + ... + 2690702.

It is an arithmetic number, because the mean of its divisors is an integer number (2525304600).

Almost surely, 2^64238192472 is an apocalyptic number.

It is an amenable number.

64238192472 is an abundant number, since it is smaller than the sum of its proper divisors (97381301928).

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

64238192472 is a wasteful number, since it uses less digits than its factorization.

64238192472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24696 (or 24692 counting only the distinct ones).

The product of its digits is 1161216, while the sum is 48.

The spelling of 64238192472 in words is "sixty-four billion, two hundred thirty-eight million, one hundred ninety-two thousand, four hundred seventy-two".