320154410456402 has 16 divisors (see below), whose sum is σ = 480348580838400. Its totient is φ = 160038219199872.

The previous prime is 320154410456359. The next prime is 320154410456423. The reversal of 320154410456402 is 204654014451023.

It is a self number, because there is not a number n which added to its sum of digits gives 320154410456402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 279238403 + ... + 280382585.

It is an arithmetic number, because the mean of its divisors is an integer number (30021786302400).

Almost surely, 2^{320154410456402} is an apocalyptic number.

320154410456402 is a deficient number, since it is larger than the sum of its proper divisors (160194170381998).

320154410456402 is a wasteful number, since it uses less digits than its factorization.

320154410456402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1178137.

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 320154410456402 in words is "three hundred twenty trillion, one hundred fifty-four billion, four hundred ten million, four hundred fifty-six thousand, four hundred two".