25763722140 has 144 divisors (see below), whose sum is σ = 78226017408. Its totient is φ = 6332781312.

The previous prime is 25763722121. The next prime is 25763722169. The reversal of 25763722140 is 4122736752.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9601239 + ... + 9603921.

It is an arithmetic number, because the mean of its divisors is an integer number (543236232).

Almost surely, 2^25763722140 is an apocalyptic number.

25763722140 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 25763722140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39113008704).

25763722140 is an abundant number, since it is smaller than the sum of its proper divisors (52462295268).

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

25763722140 is a wasteful number, since it uses less digits than its factorization.

25763722140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3668 (or 3653 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 39.

The spelling of 25763722140 in words is "twenty-five billion, seven hundred sixty-three million, seven hundred twenty-two thousand, one hundred forty".