44457631 has 2 divisors, whose sum is σ = 44457632. Its totient is φ = 44457630.

The previous prime is 44457613. The next prime is 44457641. The reversal of 44457631 is 13675444.

Together with previous prime (44457613) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 44457631 - 2²⁵ = 10903199 is a prime.

It is a super-2 number, since 2×44457631² = 3952961908264322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (44457641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 22228815 + 22228816.

It is an arithmetic number, because the mean of its divisors is an integer number (22228816).

Almost surely, 2^44457631 is an apocalyptic number.

44457631 is a deficient number, since it is larger than the sum of its proper divisors (1).

44457631 is an equidigital number, since it uses as much as digits as its factorization.

44457631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40320, while the sum is 34.

The square root of 44457631 is about 6667.6555849864. The cubic root of 44457631 is about 354.2545516125.

The spelling of 44457631 in words is "forty-four million, four hundred fifty-seven thousand, six hundred thirty-one".