40887400 has 24 divisors (see below), whose sum is σ = 95063670. Its totient is φ = 16354880.

The previous prime is 40887389. The next prime is 40887421. The reversal of 40887400 is 478804.

It can be written as a sum of positive squares in 3 ways, for example, as 27941796 + 12945604 = 5286^2 + 3598^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 102019 + ... + 102418.

Almost surely, 2^40887400 is an apocalyptic number.

40887400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40887400 is an abundant number, since it is smaller than the sum of its proper divisors (54176270).

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

40887400 is a wasteful number, since it uses less digits than its factorization.

40887400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204453 (or 204444 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 40887400 is about 6394.3256094760. The cubic root of 40887400 is about 344.5057685549.

The spelling of 40887400 in words is "forty million, eight hundred eighty-seven thousand, four hundred".