25898043340 has 36 divisors (see below), whose sum is σ = 58891238784. Its totient is φ = 9562353216.

The previous prime is 25898043319. The next prime is 25898043373. The reversal of 25898043340 is 4334089852.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3827692 + ... + 3834451.

It is an arithmetic number, because the mean of its divisors is an integer number (1635867744).

Almost surely, 2^25898043340 is an apocalyptic number.

25898043340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25898043340 is an abundant number, since it is smaller than the sum of its proper divisors (32993195444).

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

25898043340 is a wasteful number, since it uses less digits than its factorization.

25898043340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7662178 (or 7662163 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 46.

The spelling of 25898043340 in words is "twenty-five billion, eight hundred ninety-eight million, forty-three thousand, three hundred forty".