402190330180 has 12 divisors (see below), whose sum is σ = 844599693420. Its totient is φ = 160876132064.

The previous prime is 402190330133. The next prime is 402190330193. The reversal of 402190330180 is 81033091204.

It can be written as a sum of positive squares in 2 ways, for example, as 195767311936 + 206423018244 = 442456^2 + 454338^2 .

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, 10054758235 + ... + 10054758274.

It is an arithmetic number, because the mean of its divisors is an integer number (70383307785).

Almost surely, 2^402190330180 is an apocalyptic number.

It is an amenable number.

402190330180 is an abundant number, since it is smaller than the sum of its proper divisors (442409363240).

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

402190330180 is a wasteful number, since it uses less digits than its factorization.

402190330180 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20109516518 (or 20109516516 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 402190330180 in words is "four hundred two billion, one hundred ninety million, three hundred thirty thousand, one hundred eighty".