402652416 has 36 divisors (see below), whose sum is σ = 1071644672. Its totient is φ = 134217216.

The previous prime is 402652409. The next prime is 402652423. The reversal of 402652416 is 614256204.

It is an interprime number because it is at equal distance from previous prime (402652409) and next prime (402652423).

It is a super-2 number, since 2×402652416² = 324257936221274112, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 261376 + ... + 262911.

Almost surely, 2^402652416 is an apocalyptic number.

It is an amenable number.

402652416 is an abundant number, since it is smaller than the sum of its proper divisors (668992256).

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

402652416 is an equidigital number, since it uses as much as digits as its factorization.

402652416 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524306 (or 524292 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 402652416 is about 20066.2008362321. The cubic root of 402652416 is about 738.4313105148.

The spelling of 402652416 in words is "four hundred two million, six hundred fifty-two thousand, four hundred sixteen".