44661631 has 4 divisors (see below), whose sum is σ = 51041872. Its totient is φ = 38281392.

The previous prime is 44661593. The next prime is 44661667. The reversal of 44661631 is 13616644.

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

It is a cyclic number.

It is not a de Polignac number, because 44661631 - 2⁷ = 44661503 is a prime.

It is a super-2 number, since 2×44661631² = 3989322567160322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44661593 and 44661602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44691631) 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, 3190110 + ... + 3190123.

It is an arithmetic number, because the mean of its divisors is an integer number (12760468).

Almost surely, 2^44661631 is an apocalyptic number.

44661631 is a deficient number, since it is larger than the sum of its proper divisors (6380241).

44661631 is an equidigital number, since it uses as much as digits as its factorization.

44661631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6380240.

The product of its digits is 10368, while the sum is 31.

The square root of 44661631 is about 6682.9358069639. The cubic root of 44661631 is about 354.7955736350.

The spelling of 44661631 in words is "forty-four million, six hundred sixty-one thousand, six hundred thirty-one".