45324040 has 32 divisors (see below), whose sum is σ = 107979480. Its totient is φ = 17062912.

The previous prime is 45324011. The next prime is 45324061. The reversal of 45324040 is 4042354.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 27227524 + 18096516 = 5218^2 + 4254^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32647 + ... + 34006.

Almost surely, 2^45324040 is an apocalyptic number.

45324040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45324040 is an abundant number, since it is smaller than the sum of its proper divisors (62655440).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

45324040 is a wasteful number, since it uses less digits than its factorization.

45324040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66681 (or 66677 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 45324040 is about 6732.3131240310. The cubic root of 45324040 is about 356.5410491140.

Adding to 45324040 its reverse (4042354), we get a palindrome (49366394).

The spelling of 45324040 in words is "forty-five million, three hundred twenty-four thousand, forty".