400366421086 has 16 divisors (see below), whose sum is σ = 614690304624. Its totient is φ = 195472295424.

The previous prime is 400366421083. The next prime is 400366421173. The reversal of 400366421086 is 680124663004.

It is a super-2 number, since 2×400366421086² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (400366421083) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 355011 + ... + 962686.

It is an arithmetic number, because the mean of its divisors is an integer number (38418144039).

Almost surely, 2^400366421086 is an apocalyptic number.

400366421086 is a deficient number, since it is larger than the sum of its proper divisors (214323883538).

400366421086 is a wasteful number, since it uses less digits than its factorization.

400366421086 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321275.

The product of its (nonzero) digits is 165888, while the sum is 40.

The spelling of 400366421086 in words is "four hundred billion, three hundred sixty-six million, four hundred twenty-one thousand, eighty-six".