402550131051441 has 12 divisors (see below), whose sum is σ = 581475854560068. Its totient is φ = 268360036733184.

The previous prime is 402550131051427. The next prime is 402550131051443. The reversal of 402550131051441 is 144150131055204.

402550131051441 is a `hidden beast` number, since 4 + 0 + 2 + 5 + 5 + 0 + 131 + 0 + 514 + 4 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 181266774696225 + 221283356355216 = 13463535^2 + 14875596^2 .

It is not a de Polignac number, because 402550131051441 - 2⁶ = 402550131051377 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 402550131051396 and 402550131051405.

It is not an unprimeable number, because it can be changed into a prime (402550131051443) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 559395540 + ... + 560114693.

It is an arithmetic number, because the mean of its divisors is an integer number (48456321213339).

Almost surely, 2^{402550131051441} is an apocalyptic number.

It is an amenable number.

402550131051441 is a deficient number, since it is larger than the sum of its proper divisors (178925723508627).

402550131051441 is a wasteful number, since it uses less digits than its factorization.

402550131051441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1119550192 (or 1119550189 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 36.

The spelling of 402550131051441 in words is "four hundred two trillion, five hundred fifty billion, one hundred thirty-one million, fifty-one thousand, four hundred forty-one".