25949824349380 has 24 divisors (see below), whose sum is σ = 54711741228480. Its totient is φ = 10338575436000.

The previous prime is 25949824349377. The next prime is 25949824349389. The reversal of 25949824349380 is 8394342894952.

It is a hoax number, since the sum of its digits (70) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (25949824349389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2584638840 + ... + 2584648879.

It is an arithmetic number, because the mean of its divisors is an integer number (2279655884520).

Almost surely, 2^{25949824349380} is an apocalyptic number.

25949824349380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25949824349380 is an abundant number, since it is smaller than the sum of its proper divisors (28761916879100).

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

25949824349380 is a wasteful number, since it uses less digits than its factorization.

25949824349380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5169287979 (or 5169287977 counting only the distinct ones).

The product of its (nonzero) digits is 537477120, while the sum is 70.

The spelling of 25949824349380 in words is "twenty-five trillion, nine hundred forty-nine billion, eight hundred twenty-four million, three hundred forty-nine thousand, three hundred eighty".