402253412 has 24 divisors (see below), whose sum is σ = 769335840. Its totient is φ = 182509760.

The previous prime is 402253399. The next prime is 402253451. The reversal of 402253412 is 214352204.

It is a happy 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, 17003 + ... + 33069.

It is an arithmetic number, because the mean of its divisors is an integer number (32055660).

Almost surely, 2^402253412 is an apocalyptic number.

It is an amenable number.

402253412 is a deficient number, since it is larger than the sum of its proper divisors (367082428).

402253412 is a wasteful number, since it uses less digits than its factorization.

402253412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16651 (or 16649 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 23.

The square root of 402253412 is about 20056.2561810523. The cubic root of 402253412 is about 738.1873164304.

The spelling of 402253412 in words is "four hundred two million, two hundred fifty-three thousand, four hundred twelve".