634204494126 has 64 divisors (see below), whose sum is σ = 1637977766400. Its totient is φ = 178130069568.

The previous prime is 634204494113. The next prime is 634204494137. The reversal of 634204494126 is 621494402436.

634204494126 is a `hidden beast` number, since 6 + 34 + 2 + 0 + 4 + 494 + 126 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 14196255 + ... + 14240858.

It is an arithmetic number, because the mean of its divisors is an integer number (25593402600).

Almost surely, 2^634204494126 is an apocalyptic number.

634204494126 is an abundant number, since it is smaller than the sum of its proper divisors (1003773272274).

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

634204494126 is a wasteful number, since it uses less digits than its factorization.

634204494126 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28437190 (or 28437184 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 45.

The spelling of 634204494126 in words is "six hundred thirty-four billion, two hundred four million, four hundred ninety-four thousand, one hundred twenty-six".