40575400 has 24 divisors (see below), whose sum is σ = 94338270. Its totient is φ = 16230080.

The previous prime is 40575397. The next prime is 40575419. The reversal of 40575400 is 457504.

It can be written as a sum of positive squares in 3 ways, for example, as 22410756 + 18164644 = 4734^2 + 4262^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 101239 + ... + 101638.

Almost surely, 2^40575400 is an apocalyptic number.

40575400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40575400 is an abundant number, since it is smaller than the sum of its proper divisors (53762870).

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

40575400 is a wasteful number, since it uses less digits than its factorization.

40575400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 202893 (or 202884 counting only the distinct ones).

The product of its (nonzero) digits is 2800, while the sum is 25.

The square root of 40575400 is about 6369.8822595084. The cubic root of 40575400 is about 343.6272553497.

The spelling of 40575400 in words is "forty million, five hundred seventy-five thousand, four hundred".