402456102 has 16 divisors (see below), whose sum is σ = 805200240. Its totient is φ = 134104032.

The previous prime is 402456097. The next prime is 402456107. The reversal of 402456102 is 201654204.

It is an interprime number because it is at equal distance from previous prime (402456097) and next prime (402456107).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402456107) 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, 8988 + ... + 29760.

It is an arithmetic number, because the mean of its divisors is an integer number (50325015).

Almost surely, 2^402456102 is an apocalyptic number.

402456102 is an abundant number, since it is smaller than the sum of its proper divisors (402744138).

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

402456102 is a wasteful number, since it uses less digits than its factorization.

402456102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24007.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 402456102 is about 20061.3085814460. The cubic root of 402456102 is about 738.3112831131.

The spelling of 402456102 in words is "four hundred two million, four hundred fifty-six thousand, one hundred two".