635722506472 has 32 divisors (see below), whose sum is σ = 1281411561600. Its totient is φ = 294724652544.

The previous prime is 635722506427. The next prime is 635722506487. The reversal of 635722506472 is 274605227536.

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, 44486313 + ... + 44500600.

It is an arithmetic number, because the mean of its divisors is an integer number (40044111300).

Almost surely, 2^635722506472 is an apocalyptic number.

It is an amenable number.

635722506472 is an abundant number, since it is smaller than the sum of its proper divisors (645689055128).

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

635722506472 is a wasteful number, since it uses less digits than its factorization.

635722506472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 88986985 (or 88986981 counting only the distinct ones).

The product of its (nonzero) digits is 4233600, while the sum is 49.

The spelling of 635722506472 in words is "six hundred thirty-five billion, seven hundred twenty-two million, five hundred six thousand, four hundred seventy-two".