25062170628 has 48 divisors (see below), whose sum is σ = 67152234240. Its totient is φ = 7194880800.

The previous prime is 25062170587. The next prime is 25062170657. The reversal of 25062170628 is 82607126052.

It is a super-2 number, since 2×25062170628² (a number of 22 digits) contains 22 as substring.

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, 4993938 + ... + 4998953.

It is an arithmetic number, because the mean of its divisors is an integer number (1399004880).

Almost surely, 2^25062170628 is an apocalyptic number.

It is an amenable number.

25062170628 is an abundant number, since it is smaller than the sum of its proper divisors (42090063612).

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

25062170628 is a wasteful number, since it uses less digits than its factorization.

25062170628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9992928 (or 9992926 counting only the distinct ones).

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 25062170628 in words is "twenty-five billion, sixty-two million, one hundred seventy thousand, six hundred twenty-eight".