25783000157220 has 96 divisors (see below), whose sum is σ = 73032547311360. Its totient is φ = 6795514091520.

The previous prime is 25783000157177. The next prime is 25783000157269. The reversal of 25783000157220 is 2275100038752.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 12504529 + ... + 14419751.

It is an arithmetic number, because the mean of its divisors is an integer number (760755701160).

Almost surely, 2^{25783000157220} is an apocalyptic number.

25783000157220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25783000157220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36516273655680).

25783000157220 is an abundant number, since it is smaller than the sum of its proper divisors (47249547154140).

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

25783000157220 is a wasteful number, since it uses less digits than its factorization.

25783000157220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1917845 (or 1917843 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 42.

The spelling of 25783000157220 in words is "twenty-five trillion, seven hundred eighty-three billion, one hundred fifty-seven thousand, two hundred twenty".