64250332444 has 12 divisors (see below), whose sum is σ = 112440095824. Its totient is φ = 32124590784.

The previous prime is 64250332441. The next prime is 64250332507. The reversal of 64250332444 is 44423305246.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (64250332441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 197209 + ... + 409135.

Almost surely, 2^64250332444 is an apocalyptic number.

It is an amenable number.

64250332444 is a deficient number, since it is larger than the sum of its proper divisors (48189763380).

64250332444 is a wasteful number, since it uses less digits than its factorization.

64250332444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287724 (or 287722 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 37.

The spelling of 64250332444 in words is "sixty-four billion, two hundred fifty million, three hundred thirty-two thousand, four hundred forty-four".