402256915476 has 96 divisors (see below), whose sum is σ = 1064462797440. Its totient is φ = 117206009856.

The previous prime is 402256915433. The next prime is 402256915477. The reversal of 402256915476 is 674519652204.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402256915477) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 7064496 + ... + 7121208.

It is an arithmetic number, because the mean of its divisors is an integer number (11088154140).

Almost surely, 2^402256915476 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402256915476, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (532231398720).

402256915476 is an abundant number, since it is smaller than the sum of its proper divisors (662205881964).

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

402256915476 is a wasteful number, since it uses less digits than its factorization.

402256915476 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59145 (or 59143 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 402256915476 in words is "four hundred two billion, two hundred fifty-six million, nine hundred fifteen thousand, four hundred seventy-six".