44442631 has 4 divisors (see below), whose sum is σ = 44460000. Its totient is φ = 44425264.

The previous prime is 44442613. The next prime is 44442649. The reversal of 44442631 is 13624444.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (44442613) and next prime (44442649).

It is a cyclic number.

It is not a de Polignac number, because 44442631 - 2¹⁵ = 44409863 is a prime.

It is a super-2 number, since 2×44442631² = 3950294900404322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 44442631.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44442611) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4006 + ... + 10243.

It is an arithmetic number, because the mean of its divisors is an integer number (11115000).

Almost surely, 2^44442631 is an apocalyptic number.

44442631 is a deficient number, since it is larger than the sum of its proper divisors (17369).

44442631 is a wasteful number, since it uses less digits than its factorization.

44442631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17368.

The product of its digits is 9216, while the sum is 28.

The square root of 44442631 is about 6666.5306569459. The cubic root of 44442631 is about 354.2147053146.

The spelling of 44442631 in words is "forty-four million, four hundred forty-two thousand, six hundred thirty-one".