40865499800 has 24 divisors (see below), whose sum is σ = 95012287500. Its totient is φ = 16346199840.

The previous prime is 40865499769. The next prime is 40865499821. The reversal of 40865499800 is 899456804.

It is a happy number.

It is a congruent number.

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, 102163550 + ... + 102163949.

Almost surely, 2^40865499800 is an apocalyptic number.

40865499800 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40865499800 is an abundant number, since it is smaller than the sum of its proper divisors (54146787700).

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

40865499800 is a wasteful number, since it uses less digits than its factorization.

40865499800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204327515 (or 204327506 counting only the distinct ones).

The product of its (nonzero) digits is 2488320, while the sum is 53.

The spelling of 40865499800 in words is "forty billion, eight hundred sixty-five million, four hundred ninety-nine thousand, eight hundred".