40552900 has 18 divisors (see below), whose sum is σ = 88000010. Its totient is φ = 16221120.

The previous prime is 40552891. The next prime is 40552903. The reversal of 40552900 is 925504.

It can be written as a sum of positive squares in 3 ways, for example, as 11737476 + 28815424 = 3426^2 + 5368^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (40552903) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 202665 + ... + 202864.

Almost surely, 2^40552900 is an apocalyptic number.

It is an amenable number.

40552900 is an abundant number, since it is smaller than the sum of its proper divisors (47447110).

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

40552900 is a wasteful number, since it uses less digits than its factorization.

40552900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405543 (or 405536 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 40552900 is about 6368.1158909053. The cubic root of 40552900 is about 343.5637271790.

The spelling of 40552900 in words is "forty million, five hundred fifty-two thousand, nine hundred".