25789354290 has 96 divisors (see below), whose sum is σ = 79469470080. Its totient is φ = 5894705664.

The previous prime is 25789354259. The next prime is 25789354301. The reversal of 25789354290 is 9245398752.

25789354290 is a `hidden beast` number, since 2 + 5 + 7 + 8 + 9 + 3 + 542 + 90 = 666.

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 741055 + ... + 775074.

It is an arithmetic number, because the mean of its divisors is an integer number (827806980).

Almost surely, 2^25789354290 is an apocalyptic number.

25789354290 is an abundant number, since it is smaller than the sum of its proper divisors (53680115790).

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

25789354290 is a wasteful number, since it uses less digits than its factorization.

25789354290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516158 (or 1516146 counting only the distinct ones).

The product of its (nonzero) digits is 5443200, while the sum is 54.

The spelling of 25789354290 in words is "twenty-five billion, seven hundred eighty-nine million, three hundred fifty-four thousand, two hundred ninety".