45527640 has 32 divisors (see below), whose sum is σ = 136583280. Its totient is φ = 12140672.

The previous prime is 45527633. The next prime is 45527653. The reversal of 45527640 is 4672554.

45527640 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189579 + ... + 189818.

Almost surely, 2^45527640 is an apocalyptic number.

45527640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45527640 is an abundant number, since it is smaller than the sum of its proper divisors (91055640).

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

45527640 is a wasteful number, since it uses less digits than its factorization.

45527640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379411 (or 379407 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 33.

The square root of 45527640 is about 6747.4172836723. The cubic root of 45527640 is about 357.0741240682.

The spelling of 45527640 in words is "forty-five million, five hundred twenty-seven thousand, six hundred forty".