634007320042 has 16 divisors (see below), whose sum is σ = 1044588720960. Its totient is φ = 287261897472.

The previous prime is 634007320031. The next prime is 634007320057. The reversal of 634007320042 is 240023700436.

It is a junction number, because it is equal to n+sod(n) for n = 634007319986 and 634007320013.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 362703543 + ... + 362705290.

It is an arithmetic number, because the mean of its divisors is an integer number (65286795060).

Almost surely, 2^634007320042 is an apocalyptic number.

634007320042 is a deficient number, since it is larger than the sum of its proper divisors (410581400918).

634007320042 is a wasteful number, since it uses less digits than its factorization.

634007320042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725408877.

The product of its (nonzero) digits is 24192, while the sum is 31.

The spelling of 634007320042 in words is "six hundred thirty-four billion, seven million, three hundred twenty thousand, forty-two".