444642360031 has 6 divisors (see below), whose sum is σ = 472336348160. Its totient is φ = 418486926816.

The previous prime is 444642359971. The next prime is 444642360053. The reversal of 444642360031 is 130063246444.

It is not a de Polignac number, because 444642360031 - 2⁹ = 444642359519 is a prime.

It is a super-2 number, since 2×444642360031² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (444642360131) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 769277151 + ... + 769277728.

Almost surely, 2^444642360031 is an apocalyptic number.

444642360031 is a deficient number, since it is larger than the sum of its proper divisors (27693988129).

444642360031 is a wasteful number, since it uses less digits than its factorization.

444642360031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1538554913 (or 1538554896 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 37.

The spelling of 444642360031 in words is "four hundred forty-four billion, six hundred forty-two million, three hundred sixty thousand, thirty-one".