25920470580 has 24 divisors (see below), whose sum is σ = 72577317792. Its totient is φ = 6912125472.

The previous prime is 25920470539. The next prime is 25920470581. The reversal of 25920470580 is 8507402952.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25920470581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216003862 + ... + 216003981.

It is an arithmetic number, because the mean of its divisors is an integer number (3024054908).

Almost surely, 2^25920470580 is an apocalyptic number.

25920470580 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25920470580 is an abundant number, since it is smaller than the sum of its proper divisors (46656847212).

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

25920470580 is a wasteful number, since it uses less digits than its factorization.

25920470580 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432007855 (or 432007853 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 42.

The spelling of 25920470580 in words is "twenty-five billion, nine hundred twenty million, four hundred seventy thousand, five hundred eighty".