25287929030 has 64 divisors (see below), whose sum is σ = 56222425728. Its totient is φ = 7974650880.

The previous prime is 25287928931. The next prime is 25287929189. The reversal of 25287929030 is 3092978252.

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, 206264 + ... + 305156.

It is an arithmetic number, because the mean of its divisors is an integer number (878475402).

Almost surely, 2^25287929030 is an apocalyptic number.

25287929030 is an abundant number, since it is smaller than the sum of its proper divisors (30934496698).

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

25287929030 is a wasteful number, since it uses less digits than its factorization.

25287929030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99201.

The product of its (nonzero) digits is 544320, while the sum is 47.

The spelling of 25287929030 in words is "twenty-five billion, two hundred eighty-seven million, nine hundred twenty-nine thousand, thirty".