25884532830 has 64 divisors (see below), whose sum is σ = 69059708928. Its totient is φ = 6166039680.

The previous prime is 25884532819. The next prime is 25884532841. The reversal of 25884532830 is 3823548852.

It is an interprime number because it is at equal distance from previous prime (25884532819) and next prime (25884532841).

It is a self number, because there is not a number n which added to its sum of digits gives 25884532830.

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, 1058404 + ... + 1082583.

It is an arithmetic number, because the mean of its divisors is an integer number (1079057952).

Almost surely, 2^25884532830 is an apocalyptic number.

25884532830 is an abundant number, since it is smaller than the sum of its proper divisors (43175176098).

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

25884532830 is a wasteful number, since it uses less digits than its factorization.

25884532830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141041.

The product of its (nonzero) digits is 1843200, while the sum is 48.

The spelling of 25884532830 in words is "twenty-five billion, eight hundred eighty-four million, five hundred thirty-two thousand, eight hundred thirty".