440004020464 has 10 divisors (see below), whose sum is σ = 852507789680. Its totient is φ = 220002010224.

The previous prime is 440004020447. The next prime is 440004020471. The reversal of 440004020464 is 464020400044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13750125624 + ... + 13750125655.

It is an arithmetic number, because the mean of its divisors is an integer number (85250778968).

Almost surely, 2^440004020464 is an apocalyptic number.

It is an amenable number.

440004020464 is a deficient number, since it is larger than the sum of its proper divisors (412503769216).

440004020464 is a wasteful number, since it uses less digits than its factorization.

440004020464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27500251287 (or 27500251281 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 28.

The spelling of 440004020464 in words is "four hundred forty billion, four million, twenty thousand, four hundred sixty-four".