125400384080 has 40 divisors (see below), whose sum is σ = 300960927744. Its totient is φ = 48542083200.

The previous prime is 125400384029. The next prime is 125400384089. The reversal of 125400384080 is 80483004521.

It is a tau number, because it is divible by the number of its divisors (40).

It is a self number, because there is not a number n which added to its sum of digits gives 125400384080.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (125400384089) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25279856 + ... + 25284815.

Almost surely, 2^125400384080 is an apocalyptic number.

125400384080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

125400384080 is an abundant number, since it is smaller than the sum of its proper divisors (175560543664).

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

125400384080 is a wasteful number, since it uses less digits than its factorization.

125400384080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50564715 (or 50564709 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 35.

The spelling of 125400384080 in words is "one hundred twenty-five billion, four hundred million, three hundred eighty-four thousand, eighty".