401350016 has 16 divisors (see below), whose sum is σ = 799564740. Its totient is φ = 200674944.

The previous prime is 401349979. The next prime is 401350021. The reversal of 401350016 is 610053104.

It is a tau number, because it is divible by the number of its divisors (16).

It is a super-2 number, since 2×401350016² = 322163670686400512, 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 401350016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1567646 + ... + 1567901.

Almost surely, 2^401350016 is an apocalyptic number.

It is an amenable number.

401350016 is a deficient number, since it is larger than the sum of its proper divisors (398214724).

401350016 is an equidigital number, since it uses as much as digits as its factorization.

401350016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3135561 (or 3135549 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 401350016 is about 20033.7219707173. The cubic root of 401350016 is about 737.6342858414.

The spelling of 401350016 in words is "four hundred one million, three hundred fifty thousand, sixteen".