25084540278 has 192 divisors, whose sum is σ = 68903976960. Its totient is φ = 6430083264.

The previous prime is 25084540267. The next prime is 25084540303. The reversal of 25084540278 is 87204548052.

25084540278 is a `hidden beast` number, since 2 + 5 + 0 + 84 + 540 + 27 + 8 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 5669175 + ... + 5673597.

It is an arithmetic number, because the mean of its divisors is an integer number (358874880).

Almost surely, 2^25084540278 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25084540278, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34451988480).

25084540278 is an abundant number, since it is smaller than the sum of its proper divisors (43819436682).

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

25084540278 is a wasteful number, since it uses less digits than its factorization.

25084540278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4583 (or 4580 counting only the distinct ones).

The product of its (nonzero) digits is 716800, while the sum is 45.

The spelling of 25084540278 in words is "twenty-five billion, eighty-four million, five hundred forty thousand, two hundred seventy-eight".