25580240290 has 32 divisors (see below), whose sum is σ = 50866133760. Its totient is φ = 9184156800.

The previous prime is 25580240281. The next prime is 25580240291. The reversal of 25580240290 is 9204208552.

It is not an unprimeable number, because it can be changed into a prime (25580240291) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1463131 + ... + 1480510.

It is an arithmetic number, because the mean of its divisors is an integer number (1589566680).

Almost surely, 2^25580240290 is an apocalyptic number.

25580240290 is a deficient number, since it is larger than the sum of its proper divisors (25285893470).

25580240290 is a wasteful number, since it uses less digits than its factorization.

25580240290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2943738.

The product of its (nonzero) digits is 57600, while the sum is 37.

The spelling of 25580240290 in words is "twenty-five billion, five hundred eighty million, two hundred forty thousand, two hundred ninety".