442501641057 has 16 divisors (see below), whose sum is σ = 674297550720. Its totient is φ = 252854579712.

The previous prime is 442501640989. The next prime is 442501641139. The reversal of 442501641057 is 750146105244.

It is not a de Polignac number, because 442501641057 - 2¹⁰ = 442501640033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (442501651057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2681143 + ... + 2841395.

It is an arithmetic number, because the mean of its divisors is an integer number (42143596920).

Almost surely, 2^442501641057 is an apocalyptic number.

It is an amenable number.

442501641057 is a deficient number, since it is larger than the sum of its proper divisors (231795909663).

442501641057 is a wasteful number, since it uses less digits than its factorization.

442501641057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291752.

The product of its (nonzero) digits is 134400, while the sum is 39.

The spelling of 442501641057 in words is "four hundred forty-two billion, five hundred one million, six hundred forty-one thousand, fifty-seven".