44164431 has 6 divisors (see below), whose sum is σ = 63793080. Its totient is φ = 29442948.

The previous prime is 44164411. The next prime is 44164441. The reversal of 44164431 is 13446144.

It is not a de Polignac number, because 44164431 - 2¹⁴ = 44148047 is a prime.

It is a super-2 number, since 2×44164431² = 3900993931107522, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44164395 and 44164404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44164411) 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, 2453571 + ... + 2453588.

It is an arithmetic number, because the mean of its divisors is an integer number (10632180).

Almost surely, 2^44164431 is an apocalyptic number.

44164431 is a deficient number, since it is larger than the sum of its proper divisors (19628649).

44164431 is a wasteful number, since it uses less digits than its factorization.

44164431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4907165 (or 4907162 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 44164431 is about 6645.6324755436. The cubic root of 44164431 is about 353.4740585960.

The spelling of 44164431 in words is "forty-four million, one hundred sixty-four thousand, four hundred thirty-one".