25022411904 has 128 divisors (see below), whose sum is σ = 76206142080. Its totient is φ = 7126179840.

The previous prime is 25022411903. The next prime is 25022411917. The reversal of 25022411904 is 40911422052.

It is a tau number, because it is divible by the number of its divisors (128).

It is a super-2 number, since 2×25022411904² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (25022411903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 826474 + ... + 856214.

It is an arithmetic number, because the mean of its divisors is an integer number (595360485).

Almost surely, 2^25022411904 is an apocalyptic number.

25022411904 is a gapful number since it is divisible by the number (24) 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 25022411904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38103071040).

25022411904 is an abundant number, since it is smaller than the sum of its proper divisors (51183730176).

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

25022411904 is a wasteful number, since it uses less digits than its factorization.

25022411904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30078 (or 30066 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

Adding to 25022411904 its reverse (40911422052), we get a palindrome (65933833956).

The spelling of 25022411904 in words is "twenty-five billion, twenty-two million, four hundred eleven thousand, nine hundred four".