402316377378 has 16 divisors (see below), whose sum is σ = 806789951616. Its totient is φ = 133745926320.

The previous prime is 402316377373. The next prime is 402316377383. The reversal of 402316377378 is 873773613204.

It is an interprime number because it is at equal distance from previous prime (402316377373) and next prime (402316377383).

It is a self number, because there is not a number n which added to its sum of digits gives 402316377378.

It is not an unprimeable number, because it can be changed into a prime (402316377371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 89880778 + ... + 89885253.

It is an arithmetic number, because the mean of its divisors is an integer number (50424371976).

Almost surely, 2^402316377378 is an apocalyptic number.

402316377378 is an abundant number, since it is smaller than the sum of its proper divisors (404473574238).

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

402316377378 is a wasteful number, since it uses less digits than its factorization.

402316377378 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179766409.

The product of its (nonzero) digits is 3556224, while the sum is 51.

The spelling of 402316377378 in words is "four hundred two billion, three hundred sixteen million, three hundred seventy-seven thousand, three hundred seventy-eight".