40075900 has 18 divisors (see below), whose sum is σ = 86964920. Its totient is φ = 16030320.

The previous prime is 40075877. The next prime is 40075909. The reversal of 40075900 is 957004.

It is a super-3 number, since 3×40075900³ (a number of 24 digits) contains 333 as substring.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40075909) 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, 200280 + ... + 200479.

Almost surely, 2^40075900 is an apocalyptic number.

It is an amenable number.

40075900 is an abundant number, since it is smaller than the sum of its proper divisors (46889020).

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

40075900 is a wasteful number, since it uses less digits than its factorization.

40075900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 400773 (or 400766 counting only the distinct ones).

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 40075900 is about 6330.5528984442. The cubic root of 40075900 is about 342.2113646193.

The spelling of 40075900 in words is "forty million, seventy-five thousand, nine hundred".