25541441320 has 32 divisors (see below), whose sum is σ = 57559374720. Its totient is φ = 10200375360.

The previous prime is 25541441309. The next prime is 25541441339. The reversal of 25541441320 is 2314414552.

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 7 ways as a sum of consecutive naturals, for example, 480732 + ... + 531211.

It is an arithmetic number, because the mean of its divisors is an integer number (1798730460).

Almost surely, 2^25541441320 is an apocalyptic number.

25541441320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25541441320 is an abundant number, since it is smaller than the sum of its proper divisors (32017933400).

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

25541441320 is a wasteful number, since it uses less digits than its factorization.

25541441320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012585 (or 1012581 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

Adding to 25541441320 its reverse (2314414552), we get a palindrome (27855855872).

The spelling of 25541441320 in words is "twenty-five billion, five hundred forty-one million, four hundred forty-one thousand, three hundred twenty".