402456374 has 16 divisors (see below), whose sum is σ = 628650720. Its totient is φ = 192998400.

The previous prime is 402456371. The next prime is 402456377. The reversal of 402456374 is 473654204.

It is an interprime number because it is at equal distance from previous prime (402456371) and next prime (402456377).

It is a super-2 number, since 2×402456374² = 323942265946455752, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402456371) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14219 + ... + 31734.

It is an arithmetic number, because the mean of its divisors is an integer number (39290670).

Almost surely, 2^402456374 is an apocalyptic number.

402456374 is a deficient number, since it is larger than the sum of its proper divisors (226194346).

402456374 is a wasteful number, since it uses less digits than its factorization.

402456374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46135.

The product of its (nonzero) digits is 80640, while the sum is 35.

The square root of 402456374 is about 20061.3153606637. The cubic root of 402456374 is about 738.3114494423.

The spelling of 402456374 in words is "four hundred two million, four hundred fifty-six thousand, three hundred seventy-four".