25187469048 has 192 divisors, whose sum is σ = 80991456000. Its totient is φ = 7193585376.

The previous prime is 25187469019. The next prime is 25187469071. The reversal of 25187469048 is 84096478152.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a junction number, because it is equal to n+sod(n) for n = 25187468985 and 25187469003.

It is a congruent number.

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 47 ways as a sum of consecutive naturals, for example, 9918963 + ... + 9921501.

It is an arithmetic number, because the mean of its divisors is an integer number (421830500).

Almost surely, 2^25187469048 is an apocalyptic number.

25187469048 is a gapful number since it is divisible by the number (28) 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 25187469048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (40495728000).

25187469048 is an abundant number, since it is smaller than the sum of its proper divisors (55803986952).

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

25187469048 is an frugal number, since it uses more digits than its factorization.

25187469048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2585 (or 2551 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 54.

The spelling of 25187469048 in words is "twenty-five billion, one hundred eighty-seven million, four hundred sixty-nine thousand, forty-eight".