25049026000 has 80 divisors (see below), whose sum is σ = 61857469440. Its totient is φ = 9806390400.

The previous prime is 25049025983. The next prime is 25049026073. The reversal of 25049026000 is 62094052.

It is a tau number, because it is divible by the number of its divisors (80).

It is a self number, because there is not a number n which added to its sum of digits gives 25049026000.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 39240 + ... + 227239.

It is an arithmetic number, because the mean of its divisors is an integer number (773218368).

Almost surely, 2^25049026000 is an apocalyptic number.

25049026000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25049026000 is an abundant number, since it is smaller than the sum of its proper divisors (36808443440).

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

25049026000 is a wasteful number, since it uses less digits than its factorization.

25049026000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266549 (or 266533 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The spelling of 25049026000 in words is "twenty-five billion, forty-nine million, twenty-six thousand".