40204504040 has 32 divisors (see below), whose sum is σ = 90467919360. Its totient is φ = 16080417600.

The previous prime is 40204504033. The next prime is 40204504079. The reversal of 40204504040 is 4040540204.

It is a junction number, because it is equal to n+sod(n) for n = 40204503997 and 40204504015.

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, 516905 + ... + 589575.

It is an arithmetic number, because the mean of its divisors is an integer number (2827122480).

Almost surely, 2^40204504040 is an apocalyptic number.

40204504040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40204504040 is an abundant number, since it is smaller than the sum of its proper divisors (50263415320).

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

40204504040 is a wasteful number, since it uses less digits than its factorization.

40204504040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86513 (or 86509 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 23.

The spelling of 40204504040 in words is "forty billion, two hundred four million, five hundred four thousand, forty".