634023150844540 has 96 divisors (see below), whose sum is σ = 1365965164569600. Its totient is φ = 247117776652800.

The previous prime is 634023150844493. The next prime is 634023150844631. The reversal of 634023150844540 is 45448051320436.

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, 77535121 + ... + 85321399.

It is an arithmetic number, because the mean of its divisors is an integer number (14228803797600).

Almost surely, 2^{634023150844540} is an apocalyptic number.

It is an amenable number.

634023150844540 is an abundant number, since it is smaller than the sum of its proper divisors (731942013725060).

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

634023150844540 is a wasteful number, since it uses less digits than its factorization.

634023150844540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7786955 (or 7786953 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 49.

The spelling of 634023150844540 in words is "six hundred thirty-four trillion, twenty-three billion, one hundred fifty million, eight hundred forty-four thousand, five hundred forty".