40403700040 has 32 divisors (see below), whose sum is σ = 99172719360. Its totient is φ = 14692254400.

The previous prime is 40403700037. The next prime is 40403700107. The reversal of 40403700040 is 4000730404.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 40403699984 and 40403700020.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45912856 + ... + 45913735.

It is an arithmetic number, because the mean of its divisors is an integer number (3099147480).

Almost surely, 2^40403700040 is an apocalyptic number.

40403700040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40403700040 is an abundant number, since it is smaller than the sum of its proper divisors (58769019320).

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

40403700040 is a wasteful number, since it uses less digits than its factorization.

40403700040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91826613 (or 91826609 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 22.

The spelling of 40403700040 in words is "forty billion, four hundred three million, seven hundred thousand, forty".