25045441105040 has 80 divisors (see below), whose sum is σ = 58352336878080. Its totient is φ = 9997259811840.

The previous prime is 25045441105021. The next prime is 25045441105043. The reversal of 25045441105040 is 4050114454052.

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

It is not an unprimeable number, because it can be changed into a prime (25045441105043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86479196 + ... + 86768324.

It is an arithmetic number, because the mean of its divisors is an integer number (729404210976).

Almost surely, 2^{25045441105040} is an apocalyptic number.

25045441105040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25045441105040 is an abundant number, since it is smaller than the sum of its proper divisors (33306895773040).

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

25045441105040 is a wasteful number, since it uses less digits than its factorization.

25045441105040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 291400 (or 291394 counting only the distinct ones).

The product of its (nonzero) digits is 64000, while the sum is 35.

Adding to 25045441105040 its reverse (4050114454052), we get a palindrome (29095555559092).

The spelling of 25045441105040 in words is "twenty-five trillion, forty-five billion, four hundred forty-one million, one hundred five thousand, forty".