400556544146211 has 32 divisors (see below), whose sum is σ = 537843498142720. Its totient is φ = 265160565605376.

The previous prime is 400556544146183. The next prime is 400556544146221. The reversal of 400556544146211 is 112641445655004.

It is not a de Polignac number, because 400556544146211 - 2⁵ = 400556544146179 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (400556544146221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1489493715 + ... + 1489762611.

It is an arithmetic number, because the mean of its divisors is an integer number (16807609316960).

Almost surely, 2^{400556544146211} is an apocalyptic number.

400556544146211 is a deficient number, since it is larger than the sum of its proper divisors (137286953996509).

400556544146211 is a wasteful number, since it uses less digits than its factorization.

400556544146211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 275323.

The product of its (nonzero) digits is 2304000, while the sum is 48.

The spelling of 400556544146211 in words is "four hundred trillion, five hundred fifty-six billion, five hundred forty-four million, one hundred forty-six thousand, two hundred eleven".