402463140 has 48 divisors (see below), whose sum is σ = 1128019200. Its totient is φ = 107216640.

The previous prime is 402463133. The next prime is 402463157. The reversal of 402463140 is 41364204.

It is a self number, because there is not a number n which added to its sum of digits gives 402463140.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 71136 + ... + 76584.

It is an arithmetic number, because the mean of its divisors is an integer number (23500400).

Almost surely, 2^402463140 is an apocalyptic number.

It is an amenable number.

402463140 is an abundant number, since it is smaller than the sum of its proper divisors (725556060).

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

402463140 is a wasteful number, since it uses less digits than its factorization.

402463140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6692 (or 6690 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 402463140 is about 20061.4839929652. The cubic root of 402463140 is about 738.3155868574.

The spelling of 402463140 in words is "four hundred two million, four hundred sixty-three thousand, one hundred forty".