444940957 has 4 divisors (see below), whose sum is σ = 464286240. Its totient is φ = 425595676.

The previous prime is 444940931. The next prime is 444940961. The reversal of 444940957 is 759049444.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 444940957 - 2²³ = 436552349 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444940967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9672607 + ... + 9672652.

It is an arithmetic number, because the mean of its divisors is an integer number (116071560).

Almost surely, 2^444940957 is an apocalyptic number.

It is an amenable number.

444940957 is a deficient number, since it is larger than the sum of its proper divisors (19345283).

444940957 is a wasteful number, since it uses less digits than its factorization.

444940957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19345282.

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 444940957 is about 21093.6236099917. The cubic root of 444940957 is about 763.4269051064.

The spelling of 444940957 in words is "four hundred forty-four million, nine hundred forty thousand, nine hundred fifty-seven".