44400645251372 has 12 divisors (see below), whose sum is σ = 77701197095760. Its totient is φ = 22200303224016.

The previous prime is 44400645251371. The next prime is 44400645251401. The reversal of 44400645251372 is 27315254600444.

It is not an unprimeable number, because it can be changed into a prime (44400645251371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1113473 + ... + 9488999.

It is an arithmetic number, because the mean of its divisors is an integer number (6475099757980).

Almost surely, 2^{44400645251372} is an apocalyptic number.

It is an amenable number.

44400645251372 is a deficient number, since it is larger than the sum of its proper divisors (33300551844388).

44400645251372 is a wasteful number, since it uses less digits than its factorization.

44400645251372 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9700840 (or 9700838 counting only the distinct ones).

The product of its (nonzero) digits is 3225600, while the sum is 47.

The spelling of 44400645251372 in words is "forty-four trillion, four hundred billion, six hundred forty-five million, two hundred fifty-one thousand, three hundred seventy-two".