402530016 has 48 divisors (see below), whose sum is σ = 1207592064. Its totient is φ = 115008384.

The previous prime is 402530003. The next prime is 402530047. The reversal of 402530016 is 610035204.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 402529974 and 402530001.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 298830 + ... + 300173.

It is an arithmetic number, because the mean of its divisors is an integer number (25158168).

Almost surely, 2^402530016 is an apocalyptic number.

It is an amenable number.

402530016 is an abundant number, since it is smaller than the sum of its proper divisors (805062048).

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

402530016 is a wasteful number, since it uses less digits than its factorization.

402530016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599023 (or 599015 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 402530016 is about 20063.1506997281. The cubic root of 402530016 is about 738.3564790979.

The spelling of 402530016 in words is "four hundred two million, five hundred thirty thousand, sixteen".