403244016 has 80 divisors (see below), whose sum is σ = 1193923584. Its totient is φ = 114884352.

The previous prime is 403243991. The next prime is 403244053. The reversal of 403244016 is 610442304.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131881 + ... + 134903.

Almost surely, 2^403244016 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 403244016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (596961792).

403244016 is an abundant number, since it is smaller than the sum of its proper divisors (790679568).

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

403244016 is a wasteful number, since it uses less digits than its factorization.

403244016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3438 (or 3432 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 403244016 is about 20080.9366315419. The cubic root of 403244016 is about 738.7927820712.

The spelling of 403244016 in words is "four hundred three million, two hundred forty-four thousand, sixteen".