402748912898 has 16 divisors (see below), whose sum is σ = 620470371840. Its totient is φ = 195925795056.

The previous prime is 402748912889. The next prime is 402748912901. The reversal of 402748912898 is 898219847204.

It is a Smith number, since the sum of its digits (62) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 402748912898.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3114413 + ... + 3241151.

It is an arithmetic number, because the mean of its divisors is an integer number (38779398240).

Almost surely, 2^402748912898 is an apocalyptic number.

402748912898 is a deficient number, since it is larger than the sum of its proper divisors (217721458942).

402748912898 is a wasteful number, since it uses less digits than its factorization.

402748912898 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169721.

The product of its (nonzero) digits is 18579456, while the sum is 62.

The spelling of 402748912898 in words is "four hundred two billion, seven hundred forty-eight million, nine hundred twelve thousand, eight hundred ninety-eight".