25441427612040 has 128 divisors (see below), whose sum is σ = 83265268101120. Its totient is φ = 6167439993600.

The previous prime is 25441427612017. The next prime is 25441427612059. The reversal of 25441427612040 is 4021672414452.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 25441427611983 and 25441427612001.

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, 48487977 + ... + 49009863.

It is an arithmetic number, because the mean of its divisors is an integer number (650509907040).

Almost surely, 2^{25441427612040} is an apocalyptic number.

25441427612040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25441427612040 is an abundant number, since it is smaller than the sum of its proper divisors (57823840489080).

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

25441427612040 is a wasteful number, since it uses less digits than its factorization.

25441427612040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 558843 (or 558839 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 42.

The spelling of 25441427612040 in words is "twenty-five trillion, four hundred forty-one billion, four hundred twenty-seven million, six hundred twelve thousand, forty".