424057402 has 4 divisors (see below), whose sum is σ = 636086106. Its totient is φ = 212028700.

The previous prime is 424057393. The next prime is 424057411. The reversal of 424057402 is 204750424.

It is a happy number.

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

It is an interprime number because it is at equal distance from previous prime (424057393) and next prime (424057411).

It can be written as a sum of positive squares in only one way, i.e., 423989281 + 68121 = 20591^2 + 261^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 106014349 + ... + 106014352.

Almost surely, 2^424057402 is an apocalyptic number.

424057402 is a deficient number, since it is larger than the sum of its proper divisors (212028704).

424057402 is a wasteful number, since it uses less digits than its factorization.

424057402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212028703.

The product of its (nonzero) digits is 8960, while the sum is 28.

The square root of 424057402 is about 20592.6540785786. The cubic root of 424057402 is about 751.2910515652.

The spelling of 424057402 in words is "four hundred twenty-four million, fifty-seven thousand, four hundred two".