400311466 has 16 divisors (see below), whose sum is σ = 610829856. Its totient is φ = 196715376.

The previous prime is 400311449. The next prime is 400311469. The reversal of 400311466 is 664113004.

It is a super-2 number, since 2×400311466² = 320498539622138312, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 400311466.

It is not an unprimeable number, because it can be changed into a prime (400311469) 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, 59380 + ... + 65776.

It is an arithmetic number, because the mean of its divisors is an integer number (38176866).

Almost surely, 2^400311466 is an apocalyptic number.

400311466 is a deficient number, since it is larger than the sum of its proper divisors (210518390).

400311466 is a wasteful number, since it uses less digits than its factorization.

400311466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6933.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 400311466 is about 20007.7851347919. The cubic root of 400311466 is about 736.9974918709.

The spelling of 400311466 in words is "four hundred million, three hundred eleven thousand, four hundred sixty-six".