400320411466 has 16 divisors (see below), whose sum is σ = 639852715656. Its totient is φ = 187186162176.

The previous prime is 400320411443. The next prime is 400320411467. The reversal of 400320411466 is 664114023004.

It can be written as a sum of positive squares in 4 ways, for example, as 400272594241 + 47817225 = 632671^2 + 6915^2 .

It is not an unprimeable number, because it can be changed into a prime (400320411467) 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, 37491891 + ... + 37502566.

Almost surely, 2^400320411466 is an apocalyptic number.

400320411466 is a deficient number, since it is larger than the sum of its proper divisors (239532304190).

400320411466 is a wasteful number, since it uses less digits than its factorization.

400320411466 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74994633.

The product of its (nonzero) digits is 13824, while the sum is 31.

The spelling of 400320411466 in words is "four hundred billion, three hundred twenty million, four hundred eleven thousand, four hundred sixty-six".