40400297870 has 32 divisors (see below), whose sum is σ = 80345971008. Its totient is φ = 14548238848.

The previous prime is 40400297869. The next prime is 40400297897. The reversal of 40400297870 is 7879200404.

40400297870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5162369 + ... + 5170188.

It is an arithmetic number, because the mean of its divisors is an integer number (2510811594).

Almost surely, 2^40400297870 is an apocalyptic number.

40400297870 is a deficient number, since it is larger than the sum of its proper divisors (39945673138).

40400297870 is a wasteful number, since it uses less digits than its factorization.

40400297870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10332604.

The product of its (nonzero) digits is 112896, while the sum is 41.

The spelling of 40400297870 in words is "forty billion, four hundred million, two hundred ninety-seven thousand, eight hundred seventy".