25580242893420 has 120 divisors (see below), whose sum is σ = 80252575747344. Its totient is φ = 6820853526144.

The previous prime is 25580242893419. The next prime is 25580242893427. The reversal of 25580242893420 is 2439824208552.

25580242893420 is a `hidden beast` number, since 2 + 5 + 58 + 0 + 242 + 8 + 9 + 342 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (25580242893427) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 19873887 + ... + 21121833.

Almost surely, 2^{25580242893420} is an apocalyptic number.

25580242893420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25580242893420 is an abundant number, since it is smaller than the sum of its proper divisors (54672332853924).

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

25580242893420 is a wasteful number, since it uses less digits than its factorization.

25580242893420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1260621 (or 1260610 counting only the distinct ones).

The product of its (nonzero) digits is 11059200, while the sum is 54.

The spelling of 25580242893420 in words is "twenty-five trillion, five hundred eighty billion, two hundred forty-two million, eight hundred ninety-three thousand, four hundred twenty".