25938083520 has 224 divisors, whose sum is σ = 92794775040. Its totient is φ = 6819240960.

The previous prime is 25938083513. The next prime is 25938083533. The reversal of 25938083520 is 2538083952.

25938083520 is a `hidden beast` number, since 2 + 593 + 8 + 0 + 8 + 3 + 52 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 592299 + ... + 634581.

Almost surely, 2^25938083520 is an apocalyptic number.

25938083520 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25938083520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46397387520).

25938083520 is an abundant number, since it is smaller than the sum of its proper divisors (66856691520).

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

25938083520 is a wasteful number, since it uses less digits than its factorization.

25938083520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42380 (or 42364 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 45.

The spelling of 25938083520 in words is "twenty-five billion, nine hundred thirty-eight million, eighty-three thousand, five hundred twenty".