401408830 has 8 divisors (see below), whose sum is σ = 722535912. Its totient is φ = 160563528.

The previous prime is 401408809. The next prime is 401408849. The reversal of 401408830 is 38804104.

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

It is a super-2 number, since 2×401408830² = 322258097603937800, which contains 22 as substring.

It is a congruent number.

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, 20070432 + ... + 20070451.

It is an arithmetic number, because the mean of its divisors is an integer number (90316989).

Almost surely, 2^401408830 is an apocalyptic number.

401408830 is a deficient number, since it is larger than the sum of its proper divisors (321127082).

401408830 is a wasteful number, since it uses less digits than its factorization.

401408830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40140890.

The product of its (nonzero) digits is 3072, while the sum is 28.

The square root of 401408830 is about 20035.1897919635. The cubic root of 401408830 is about 737.6703151609.

The spelling of 401408830 in words is "four hundred one million, four hundred eight thousand, eight hundred thirty".