402550131051396 has 36 divisors (see below), whose sum is σ = 1018212496251132. Its totient is φ = 134096974308864.

The previous prime is 402550131051379. The next prime is 402550131051401. The reversal of 402550131051396 is 693150131055204.

402550131051396 is a `hidden beast` number, since 4 + 0 + 2 + 5 + 501 + 3 + 1 + 0 + 5 + 139 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 172621128223296 + 229929002828100 = 13138536^2 + 15163410^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3600056161 + ... + 3600167976.

Almost surely, 2^{402550131051396} is an apocalyptic number.

It is an amenable number.

402550131051396 is an abundant number, since it is smaller than the sum of its proper divisors (615662365199736).

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

402550131051396 is a wasteful number, since it uses less digits than its factorization.

402550131051396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7200225700 (or 7200225695 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 45.

The spelling of 402550131051396 in words is "four hundred two trillion, five hundred fifty billion, one hundred thirty-one million, fifty-one thousand, three hundred ninety-six".