45570240 has 84 divisors (see below), whose sum is σ = 156752544. Its totient is φ = 12151296.

The previous prime is 45570221. The next prime is 45570241. The reversal of 45570240 is 4207554.

It is not an unprimeable number, because it can be changed into a prime (45570241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5032 + ... + 10791.

Almost surely, 2^45570240 is an apocalyptic number.

45570240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

45570240 is an abundant number, since it is smaller than the sum of its proper divisors (111182304).

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

45570240 is a wasteful number, since it uses less digits than its factorization.

45570240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15846 (or 15833 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 45570240 is about 6750.5733089864. The cubic root of 45570240 is about 357.1854602130.

Adding to 45570240 its reverse (4207554), we get a palindrome (49777794).

The spelling of 45570240 in words is "forty-five million, five hundred seventy thousand, two hundred forty".