40799409600 has 84 divisors (see below), whose sum is σ = 133856078744. Its totient is φ = 10879841280.

The previous prime is 40799409587. The next prime is 40799409601. The reversal of 40799409600 is 690499704.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 40799409600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40799409601) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4245139 + ... + 4254738.

Almost surely, 2^40799409600 is an apocalyptic number.

40799409600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40799409600 is an abundant number, since it is smaller than the sum of its proper divisors (93056669144).

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

40799409600 is a wasteful number, since it uses less digits than its factorization.

40799409600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8499902 (or 8499887 counting only the distinct ones).

The product of its (nonzero) digits is 489888, while the sum is 48.

The spelling of 40799409600 in words is "forty billion, seven hundred ninety-nine million, four hundred nine thousand, six hundred".