400452466 has 8 divisors (see below), whose sum is σ = 601550064. Its totient is φ = 199935780.

The previous prime is 400452461. The next prime is 400452497. The reversal of 400452466 is 664254004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (400452461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 143500 + ... + 146263.

It is an arithmetic number, because the mean of its divisors is an integer number (75193758).

Almost surely, 2^400452466 is an apocalyptic number.

400452466 is a deficient number, since it is larger than the sum of its proper divisors (201097598).

400452466 is a wasteful number, since it uses less digits than its factorization.

400452466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290456.

The product of its (nonzero) digits is 23040, while the sum is 31.

The square root of 400452466 is about 20011.3084529723. The cubic root of 400452466 is about 737.0840115411.

The spelling of 400452466 in words is "four hundred million, four hundred fifty-two thousand, four hundred sixty-six".