825508776837042 has 48 divisors (see below), whose sum is σ = 1831221929702880. Its totient is φ = 268619895907776.

The previous prime is 825508776837037. The next prime is 825508776837083. The reversal of 825508776837042 is 240738677805528.

825508776837042 is a `hidden beast` number, since 8 + 2 + 5 + 508 + 7 + 7 + 6 + 8 + 3 + 70 + 42 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 297035667 + ... + 299801942.

It is an arithmetic number, because the mean of its divisors is an integer number (38150456868810).

Almost surely, 2^{825508776837042} is an apocalyptic number.

825508776837042 is an abundant number, since it is smaller than the sum of its proper divisors (1005713152865838).

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

825508776837042 is a wasteful number, since it uses less digits than its factorization.

825508776837042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596839447 (or 596839444 counting only the distinct ones).

The product of its (nonzero) digits is 1264435200, while the sum is 72.

The spelling of 825508776837042 in words is "eight hundred twenty-five trillion, five hundred eight billion, seven hundred seventy-six million, eight hundred thirty-seven thousand, forty-two".