125004046640 has 80 divisors (see below), whose sum is σ = 318558825216. Its totient is φ = 45240518400.

The previous prime is 125004046603. The next prime is 125004046697. The reversal of 125004046640 is 46640400521.

It is a tau number, because it is divible by the number of its divisors (80).

It is a junction number, because it is equal to n+sod(n) for n = 125004046597 and 125004046606.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150932 + ... + 522291.

Almost surely, 2^125004046640 is an apocalyptic number.

125004046640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125004046640 is an abundant number, since it is smaller than the sum of its proper divisors (193554778576).

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

125004046640 is a wasteful number, since it uses less digits than its factorization.

125004046640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 673458 (or 673452 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 32.

The spelling of 125004046640 in words is "one hundred twenty-five billion, four million, forty-six thousand, six hundred forty".