40400084008 has 32 divisors (see below), whose sum is σ = 77525683200. Its totient is φ = 19729988928.

The previous prime is 40400083987. The next prime is 40400084017. The reversal of 40400084008 is 80048000404.

It is a happy number.

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, 119088 + ... + 308191.

It is an arithmetic number, because the mean of its divisors is an integer number (2422677600).

Almost surely, 2^40400084008 is an apocalyptic number.

It is an amenable number.

40400084008 is a deficient number, since it is larger than the sum of its proper divisors (37125599192).

40400084008 is a wasteful number, since it uses less digits than its factorization.

40400084008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 427561 (or 427557 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The spelling of 40400084008 in words is "forty billion, four hundred million, eighty-four thousand, eight".