25001043480 has 192 divisors, whose sum is σ = 92956631040. Its totient is φ = 5708641536.

The previous prime is 25001043479. The next prime is 25001043481. The reversal of 25001043480 is 8434010052.

It is an interprime number because it is at equal distance from previous prime (25001043479) and next prime (25001043481).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25001043481) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2734677 + ... + 2743803.

It is an arithmetic number, because the mean of its divisors is an integer number (484149120).

Almost surely, 2^25001043480 is an apocalyptic number.

25001043480 is a gapful number since it is divisible by the number (20) 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 25001043480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46478315520).

25001043480 is an abundant number, since it is smaller than the sum of its proper divisors (67955587560).

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

25001043480 is a wasteful number, since it uses less digits than its factorization.

25001043480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10238 (or 10231 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The spelling of 25001043480 in words is "twenty-five billion, one million, forty-three thousand, four hundred eighty".