790985939235642 has 48 divisors (see below), whose sum is σ = 1785038084051040. Its totient is φ = 262510617351312.

The previous prime is 790985939235629. The next prime is 790985939235671. The reversal of 790985939235642 is 246532939589097.

It is a happy number.

790985939235642 is a `hidden beast` number, since 7 + 9 + 0 + 98 + 5 + 93 + 92 + 356 + 4 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (81).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3553476228 + ... + 3553698815.

It is an arithmetic number, because the mean of its divisors is an integer number (37188293417730).

Almost surely, 2^{790985939235642} is an apocalyptic number.

790985939235642 is an abundant number, since it is smaller than the sum of its proper divisors (994052144815398).

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

790985939235642 is a wasteful number, since it uses less digits than its factorization.

790985939235642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7107175289 (or 7107175277 counting only the distinct ones).

The product of its (nonzero) digits is 7936185600, while the sum is 81.

The spelling of 790985939235642 in words is "seven hundred ninety trillion, nine hundred eighty-five billion, nine hundred thirty-nine million, two hundred thirty-five thousand, six hundred forty-two".