40153900 has 18 divisors (see below), whose sum is σ = 87134180. Its totient is φ = 16061520.

The previous prime is 40153891. The next prime is 40153901. The reversal of 40153900 is 935104.

It is a super-2 number, since 2×40153900² = 3224671370420000, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40153901) 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, 200670 + ... + 200869.

Almost surely, 2^40153900 is an apocalyptic number.

It is an amenable number.

40153900 is an abundant number, since it is smaller than the sum of its proper divisors (46980280).

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

40153900 is a wasteful number, since it uses less digits than its factorization.

40153900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401553 (or 401546 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 40153900 is about 6336.7105030923. The cubic root of 40153900 is about 342.4332368491.

Subtracting from 40153900 its reverse (935104), we obtain a triangular number (39218796 = T₈₈₅₆).

The spelling of 40153900 in words is "forty million, one hundred fifty-three thousand, nine hundred".