40080085120 has 64 divisors (see below), whose sum is σ = 96746869440. Its totient is φ = 15876357120.

The previous prime is 40080085109. The next prime is 40080085121. The reversal of 40080085120 is 2158008004.

It is a tau number, because it is divible by the number of its divisors (64).

It is not an unprimeable number, because it can be changed into a prime (40080085121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 238086 + ... + 369925.

It is an arithmetic number, because the mean of its divisors is an integer number (1511669835).

Almost surely, 2^40080085120 is an apocalyptic number.

40080085120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40080085120 is an abundant number, since it is smaller than the sum of its proper divisors (56666784320).

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

40080085120 is a wasteful number, since it uses less digits than its factorization.

40080085120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608133 (or 608121 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 28.

The spelling of 40080085120 in words is "forty billion, eighty million, eighty-five thousand, one hundred twenty".