25926116820 has 48 divisors (see below), whose sum is σ = 74555109888. Its totient is φ = 6726775680.

The previous prime is 25926116803. The next prime is 25926116837. The reversal of 25926116820 is 2861162952.

It is an interprime number because it is at equal distance from previous prime (25926116803) and next prime (25926116837).

It is a congruent number.

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, 5836996 + ... + 5841435.

It is an arithmetic number, because the mean of its divisors is an integer number (1553231456).

Almost surely, 2^25926116820 is an apocalyptic number.

25926116820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25926116820 is an abundant number, since it is smaller than the sum of its proper divisors (48628993068).

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

25926116820 is a wasteful number, since it uses less digits than its factorization.

25926116820 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11678480 (or 11678478 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 42.

The spelling of 25926116820 in words is "twenty-five billion, nine hundred twenty-six million, one hundred sixteen thousand, eight hundred twenty".