44452491 has 8 divisors (see below), whose sum is σ = 61847040. Its totient is φ = 28346472.

The previous prime is 44452483. The next prime is 44452493. The reversal of 44452491 is 19425444.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 44452491 - 2³ = 44452483 is a prime.

It is a super-2 number, since 2×44452491² = 3952047912210162, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (44452493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 322051 + ... + 322188.

It is an arithmetic number, because the mean of its divisors is an integer number (7730880).

Almost surely, 2^44452491 is an apocalyptic number.

44452491 is a deficient number, since it is larger than the sum of its proper divisors (17394549).

44452491 is a wasteful number, since it uses less digits than its factorization.

44452491 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 644265.

The product of its digits is 23040, while the sum is 33.

The square root of 44452491 is about 6667.2701310206. The cubic root of 44452491 is about 354.2408986240.

Subtracting from 44452491 its product of digits (23040), we obtain a triangular number (44429451 = T₉₄₂₆).

The spelling of 44452491 in words is "forty-four million, four hundred fifty-two thousand, four hundred ninety-one".