25900282340 has 48 divisors (see below), whose sum is σ = 58183825392. Its totient is φ = 9650159616.

The previous prime is 25900282327. The next prime is 25900282363. The reversal of 25900282340 is 4328200952.

It can be written as a sum of positive squares in 8 ways, for example, as 529984 + 25899752356 = 728^2 + 160934^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 25900282340.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359687 + ... + 425646.

It is an arithmetic number, because the mean of its divisors is an integer number (1212163029).

Almost surely, 2^25900282340 is an apocalyptic number.

25900282340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25900282340 is an abundant number, since it is smaller than the sum of its proper divisors (32283543052).

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

25900282340 is a wasteful number, since it uses less digits than its factorization.

25900282340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785456 (or 785454 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The spelling of 25900282340 in words is "twenty-five billion, nine hundred million, two hundred eighty-two thousand, three hundred forty".