400505354 has 8 divisors (see below), whose sum is σ = 614729280. Its totient is φ = 195595596.

The previous prime is 400505323. The next prime is 400505381. The reversal of 400505354 is 453505004.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2328434 + ... + 2328605.

It is an arithmetic number, because the mean of its divisors is an integer number (76841160).

Almost surely, 2^400505354 is an apocalyptic number.

400505354 is a deficient number, since it is larger than the sum of its proper divisors (214223926).

400505354 is a wasteful number, since it uses less digits than its factorization.

400505354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4657084.

The product of its (nonzero) digits is 6000, while the sum is 26.

The square root of 400505354 is about 20012.6298621645. The cubic root of 400505354 is about 737.1164591568.

The spelling of 400505354 in words is "four hundred million, five hundred five thousand, three hundred fifty-four".