25878254310 has 48 divisors (see below), whose sum is σ = 67291477344. Its totient is φ = 6900045696.

The previous prime is 25878254299. The next prime is 25878254327. The reversal of 25878254310 is 1345287852.

25878254310 is a `hidden beast` number, since 2 + 5 + 87 + 8 + 254 + 310 = 666.

It is a super-2 number, since 2×25878254310² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1314399 + ... + 1333941.

It is an arithmetic number, because the mean of its divisors is an integer number (1401905778).

Almost surely, 2^25878254310 is an apocalyptic number.

25878254310 is an abundant number, since it is smaller than the sum of its proper divisors (41413223034).

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

25878254310 is a wasteful number, since it uses less digits than its factorization.

25878254310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34269 (or 34266 counting only the distinct ones).

The product of its (nonzero) digits is 537600, while the sum is 45.

The spelling of 25878254310 in words is "twenty-five billion, eight hundred seventy-eight million, two hundred fifty-four thousand, three hundred ten".