402246254136 has 16 divisors (see below), whose sum is σ = 1005615635400. Its totient is φ = 134082084704.

The previous prime is 402246254119. The next prime is 402246254141. The reversal of 402246254136 is 631452642204.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 402246254094 and 402246254103.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8380130271 + ... + 8380130318.

Almost surely, 2^402246254136 is an apocalyptic number.

It is an amenable number.

402246254136 is an abundant number, since it is smaller than the sum of its proper divisors (603369381264).

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

402246254136 is a wasteful number, since it uses less digits than its factorization.

402246254136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16760260598 (or 16760260594 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 39.

The spelling of 402246254136 in words is "four hundred two billion, two hundred forty-six million, two hundred fifty-four thousand, one hundred thirty-six".