40899474892 has 12 divisors (see below), whose sum is σ = 72120449016. Its totient is φ = 20293632320.

The previous prime is 40899474857. The next prime is 40899474893. The reversal of 40899474892 is 29847499804.

40899474892 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40899474893) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39025693 + ... + 39026740.

It is an arithmetic number, because the mean of its divisors is an integer number (6010037418).

Almost surely, 2^40899474892 is an apocalyptic number.

It is an amenable number.

40899474892 is a deficient number, since it is larger than the sum of its proper divisors (31220974124).

40899474892 is a wasteful number, since it uses less digits than its factorization.

40899474892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78052568 (or 78052566 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 64.

The spelling of 40899474892 in words is "forty billion, eight hundred ninety-nine million, four hundred seventy-four thousand, eight hundred ninety-two".