444400880487 has 8 divisors (see below), whose sum is σ = 592542209904. Its totient is φ = 296263402368.

The previous prime is 444400880477. The next prime is 444400880491. The reversal of 444400880487 is 784088004444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 444400880487 - 2²² = 444396686183 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444400880447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 681868 + ... + 1163505.

It is an arithmetic number, because the mean of its divisors is an integer number (74067776238).

Almost surely, 2^444400880487 is an apocalyptic number.

444400880487 is a deficient number, since it is larger than the sum of its proper divisors (148141329417).

444400880487 is a wasteful number, since it uses less digits than its factorization.

444400880487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1925649.

The product of its (nonzero) digits is 3670016, while the sum is 51.

The spelling of 444400880487 in words is "four hundred forty-four billion, four hundred million, eight hundred eighty thousand, four hundred eighty-seven".