402253814 has 4 divisors (see below), whose sum is σ = 603380724. Its totient is φ = 201126906.

The previous prime is 402253771. The next prime is 402253849. The reversal of 402253814 is 418352204.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100563452 + ... + 100563455.

It is an arithmetic number, because the mean of its divisors is an integer number (150845181).

Almost surely, 2^402253814 is an apocalyptic number.

402253814 is a deficient number, since it is larger than the sum of its proper divisors (201126910).

402253814 is a wasteful number, since it uses less digits than its factorization.

402253814 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 201126909.

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 402253814 is about 20056.2662028604. The cubic root of 402253814 is about 738.1875623378.

The spelling of 402253814 in words is "four hundred two million, two hundred fifty-three thousand, eight hundred fourteen".