64062684244 has 48 divisors (see below), whose sum is σ = 121867986240. Its totient is φ = 29290360320.

The previous prime is 64062684239. The next prime is 64062684251. The reversal of 64062684244 is 44248626046.

It is a junction number, because it is equal to n+sod(n) for n = 64062684194 and 64062684203.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4031587 + ... + 4047445.

It is an arithmetic number, because the mean of its divisors is an integer number (2538916380).

Almost surely, 2^64062684244 is an apocalyptic number.

It is an amenable number.

64062684244 is a deficient number, since it is larger than the sum of its proper divisors (57805301996).

64062684244 is a wasteful number, since it uses less digits than its factorization.

64062684244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16600 (or 16598 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 46.

The spelling of 64062684244 in words is "sixty-four billion, sixty-two million, six hundred eighty-four thousand, two hundred forty-four".