25385772587580 has 192 divisors, whose sum is σ = 79554158208000. Its totient is φ = 6720304631040.

The previous prime is 25385772587579. The next prime is 25385772587603. The reversal of 25385772587580 is 8578527758352.

25385772587580 is a `hidden beast` number, since 2 + 5 + 38 + 5 + 7 + 7 + 2 + 5 + 8 + 7 + 580 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 25385772587499 and 25385772587508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 47338150 + ... + 47871410.

It is an arithmetic number, because the mean of its divisors is an integer number (414344574000).

Almost surely, 2^{25385772587580} is an apocalyptic number.

25385772587580 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 25385772587580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39777079104000).

25385772587580 is an abundant number, since it is smaller than the sum of its proper divisors (54168385620420).

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

25385772587580 is a wasteful number, since it uses less digits than its factorization.

25385772587580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533921 (or 533913 counting only the distinct ones).

The product of its (nonzero) digits is 1317120000, while the sum is 72.

The spelling of 25385772587580 in words is "twenty-five trillion, three hundred eighty-five billion, seven hundred seventy-two million, five hundred eighty-seven thousand, five hundred eighty".