401355016 has 16 divisors (see below), whose sum is σ = 776816640. Its totient is φ = 194203920.

The previous prime is 401355001. The next prime is 401355079. The reversal of 401355016 is 610553104.

It is a super-2 number, since 2×401355016² = 322171697736720512, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 808936 + ... + 809431.

It is an arithmetic number, because the mean of its divisors is an integer number (48551040).

Almost surely, 2^401355016 is an apocalyptic number.

It is an amenable number.

401355016 is a deficient number, since it is larger than the sum of its proper divisors (375461624).

401355016 is a wasteful number, since it uses less digits than its factorization.

401355016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1618404 (or 1618400 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 401355016 is about 20033.8467599211. The cubic root of 401355016 is about 737.6373489666.

The spelling of 401355016 in words is "four hundred one million, three hundred fifty-five thousand, sixteen".