400170886206 has 64 divisors (see below), whose sum is σ = 994073203200. Its totient is φ = 104571305856.

The previous prime is 400170886151. The next prime is 400170886253. The reversal of 400170886206 is 602688071004.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3302476 + ... + 3421503.

It is an arithmetic number, because the mean of its divisors is an integer number (15532393800).

Almost surely, 2^400170886206 is an apocalyptic number.

400170886206 is an abundant number, since it is smaller than the sum of its proper divisors (593902316994).

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

400170886206 is a wasteful number, since it uses less digits than its factorization.

400170886206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6724113.

The product of its (nonzero) digits is 129024, while the sum is 42.

The spelling of 400170886206 in words is "four hundred billion, one hundred seventy million, eight hundred eighty-six thousand, two hundred six".