23440632557644 has 12 divisors (see below), whose sum is σ = 41021147260800. Its totient is φ = 11720304768848.

The previous prime is 23440632557597. The next prime is 23440632557689. The reversal of 23440632557644 is 44675523604432.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3071142 + ... + 7504210.

It is an arithmetic number, because the mean of its divisors is an integer number (3418428938400).

Almost surely, 2^{23440632557644} is an apocalyptic number.

It is an amenable number.

23440632557644 is a deficient number, since it is larger than the sum of its proper divisors (17580514703156).

23440632557644 is a wasteful number, since it uses less digits than its factorization.

23440632557644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5754992 (or 5754990 counting only the distinct ones).

The product of its (nonzero) digits is 58060800, while the sum is 55.

The spelling of 23440632557644 in words is "twenty-three trillion, four hundred forty billion, six hundred thirty-two million, five hundred fifty-seven thousand, six hundred forty-four".