25044332040 has 384 divisors, whose sum is σ = 100453167360. Its totient is φ = 5269542912.

The previous prime is 25044331999. The next prime is 25044332077. The reversal of 25044332040 is 4023344052.

25044332040 is a `hidden beast` number, since 25 + 0 + 4 + 433 + 204 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 25044331995 and 25044332013.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15298102 + ... + 15299738.

It is an arithmetic number, because the mean of its divisors is an integer number (261596790).

Almost surely, 2^25044332040 is an apocalyptic number.

25044332040 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 25044332040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50226583680).

25044332040 is an abundant number, since it is smaller than the sum of its proper divisors (75408835320).

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

25044332040 is a wasteful number, since it uses less digits than its factorization.

25044332040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2141 (or 2134 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 27.

Adding to 25044332040 its reverse (4023344052), we get a palindrome (29067676092).

The spelling of 25044332040 in words is "twenty-five billion, forty-four million, three hundred thirty-two thousand, forty".