45570440 has 32 divisors (see below), whose sum is σ = 102816000. Its totient is φ = 18177984.

The previous prime is 45570431. The next prime is 45570451. The reversal of 45570440 is 4407554.

45570440 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 15401 + ... + 18119.

It is an arithmetic number, because the mean of its divisors is an integer number (3213000).

Almost surely, 2^45570440 is an apocalyptic number.

45570440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45570440 is an abundant number, since it is smaller than the sum of its proper divisors (57245560).

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

45570440 is a wasteful number, since it uses less digits than its factorization.

45570440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3149 (or 3145 counting only the distinct ones).

The product of its (nonzero) digits is 11200, while the sum is 29.

The square root of 45570440 is about 6750.5881225268. The cubic root of 45570440 is about 357.1859827542.

Adding to 45570440 its reverse (4407554), we get a palindrome (49977994).

The spelling of 45570440 in words is "forty-five million, five hundred seventy thousand, four hundred forty".