375407212644 has 36 divisors (see below), whose sum is σ = 948996064380. Its totient is φ = 125129136960.

The previous prime is 375407212643. The next prime is 375407212703. The reversal of 375407212644 is 446212704573.

375407212644 is a `hidden beast` number, since 37 + 540 + 7 + 2 + 12 + 64 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 223199553600 + 152207659044 = 472440^2 + 390138^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a self number, because there is not a number n which added to its sum of digits gives 375407212644.

It is not an unprimeable number, because it can be changed into a prime (375407212643) 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 11 ways as a sum of consecutive naturals, for example, 442602 + ... + 972990.

Almost surely, 2^375407212644 is an apocalyptic number.

It is an amenable number.

375407212644 is an abundant number, since it is smaller than the sum of its proper divisors (573588851736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

375407212644 is a wasteful number, since it uses less digits than its factorization.

375407212644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550060 (or 550055 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 45.

The spelling of 375407212644 in words is "three hundred seventy-five billion, four hundred seven million, two hundred twelve thousand, six hundred forty-four".