25198032384 has 240 divisors, whose sum is σ = 83385368352. Its totient is φ = 7175798784.

The previous prime is 25198032341. The next prime is 25198032397. The reversal of 25198032384 is 48323089152.

It is a super-2 number, since 2×25198032384² (a number of 22 digits) contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 11385262 + ... + 11387474.

Almost surely, 2^25198032384 is an apocalyptic number.

25198032384 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 25198032384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41692684176).

25198032384 is an abundant number, since it is smaller than the sum of its proper divisors (58187335968).

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

25198032384 is a wasteful number, since it uses less digits than its factorization.

25198032384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2597 (or 2578 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 25198032384 in words is "twenty-five billion, one hundred ninety-eight million, thirty-two thousand, three hundred eighty-four".