855805139630352 has 100 divisors (see below), whose sum is σ = 2477859351137280. Its totient is φ = 285163462049472.

The previous prime is 855805139630321. The next prime is 855805139630359. The reversal of 855805139630352 is 253036931508558.

855805139630352 is a `hidden beast` number, since 8 + 5 + 5 + 8 + 0 + 513 + 9 + 63 + 0 + 3 + 52 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 855805139630352.

It is not an unprimeable number, because it can be changed into a prime (855805139630359) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 117907488 + ... + 124955135.

Almost surely, 2^{855805139630352} is an apocalyptic number.

It is an amenable number.

855805139630352 is an abundant number, since it is smaller than the sum of its proper divisors (1622054211506928).

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

855805139630352 is a wasteful number, since it uses less digits than its factorization.

855805139630352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 242865362 (or 242865347 counting only the distinct ones).

The product of its (nonzero) digits is 116640000, while the sum is 63.

The spelling of 855805139630352 in words is "eight hundred fifty-five trillion, eight hundred five billion, one hundred thirty-nine million, six hundred thirty thousand, three hundred fifty-two".