45640441 has 16 divisors (see below), whose sum is σ = 59378688. Its totient is φ = 34016400.

The previous prime is 45640411. The next prime is 45640471. The reversal of 45640441 is 14404654.

It is an interprime number because it is at equal distance from previous prime (45640411) and next prime (45640471).

It is not a de Polignac number, because 45640441 - 2⁵ = 45640409 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (45640411) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11115 + ... + 14656.

It is an arithmetic number, because the mean of its divisors is an integer number (3711168).

Almost surely, 2^45640441 is an apocalyptic number.

It is an amenable number.

45640441 is a deficient number, since it is larger than the sum of its proper divisors (13738247).

45640441 is a wasteful number, since it uses less digits than its factorization.

45640441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25812.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 45640441 is about 6755.7709404627. The cubic root of 45640441 is about 357.3687809620.

The spelling of 45640441 in words is "forty-five million, six hundred forty thousand, four hundred forty-one".