842053750920 has 80 divisors (see below), whose sum is σ = 2830236229260. Its totient is φ = 224547666048.

The previous prime is 842053750903. The next prime is 842053750933. The reversal of 842053750920 is 29057350248.

842053750920 is a `hidden beast` number, since 8 + 4 + 20 + 537 + 5 + 0 + 92 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 757641421476 + 84412329444 = 870426^2 + 290538^2 .

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 129943327 + ... + 129949806.

Almost surely, 2^842053750920 is an apocalyptic number.

It is an amenable number.

842053750920 is an abundant number, since it is smaller than the sum of its proper divisors (1988182478340).

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

842053750920 is a wasteful number, since it uses less digits than its factorization.

842053750920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259893156 (or 259893143 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 45.

The spelling of 842053750920 in words is "eight hundred forty-two billion, fifty-three million, seven hundred fifty thousand, nine hundred twenty".