401042016 has 60 divisors (see below), whose sum is σ = 1179461052. Its totient is φ = 133679808.

The previous prime is 401041913. The next prime is 401042017. The reversal of 401042016 is 610240104.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a self number, because there is not a number n which added to its sum of digits gives 401042016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401042017) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 74770 + ... + 79953.

Almost surely, 2^401042016 is an apocalyptic number.

It is an amenable number.

401042016 is an abundant number, since it is smaller than the sum of its proper divisors (778419036).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401042016 is a wasteful number, since it uses less digits than its factorization.

401042016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154745 (or 154728 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 18.

The square root of 401042016 is about 20026.0334564786. The cubic root of 401042016 is about 737.4455482540.

The spelling of 401042016 in words is "four hundred one million, forty-two thousand, sixteen".