440464312232656 has 40 divisors (see below), whose sum is σ = 853623183458880. Its totient is φ = 220174461099264.

The previous prime is 440464312232569. The next prime is 440464312232717. The reversal of 440464312232656 is 656232213464044.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5004151815 + ... + 5004239833.

It is an arithmetic number, because the mean of its divisors is an integer number (21340579586472).

Almost surely, 2^{440464312232656} is an apocalyptic number.

It is an amenable number.

440464312232656 is a deficient number, since it is larger than the sum of its proper divisors (413158871226224).

440464312232656 is a wasteful number, since it uses less digits than its factorization.

440464312232656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166411 (or 166405 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 52.

The spelling of 440464312232656 in words is "four hundred forty trillion, four hundred sixty-four billion, three hundred twelve million, two hundred thirty-two thousand, six hundred fifty-six".