25678982030 has 64 divisors (see below), whose sum is σ = 52537766400. Its totient is φ = 8958418560.

The previous prime is 25678982027. The next prime is 25678982033. The reversal of 25678982030 is 3028987652.

It is an interprime number because it is at equal distance from previous prime (25678982027) and next prime (25678982033).

It is a self number, because there is not a number n which added to its sum of digits gives 25678982030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25678982033) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 922415 + ... + 949845.

It is an arithmetic number, because the mean of its divisors is an integer number (820902600).

Almost surely, 2^25678982030 is an apocalyptic number.

25678982030 is an abundant number, since it is smaller than the sum of its proper divisors (26858784370).

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

25678982030 is a wasteful number, since it uses less digits than its factorization.

25678982030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27849.

The product of its (nonzero) digits is 1451520, while the sum is 50.

The spelling of 25678982030 in words is "twenty-five billion, six hundred seventy-eight million, nine hundred eighty-two thousand, thirty".