25374667500 has 1080 divisors, whose sum is σ = 108462305952. Its totient is φ = 5038848000.

The previous prime is 25374667481. The next prime is 25374667529. The reversal of 25374667500 is 576647352.

25374667500 is a `hidden beast` number, since 2 + 537 + 4 + 6 + 67 + 50 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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 359 ways as a sum of consecutive naturals, for example, 1492627492 + ... + 1492627508.

Almost surely, 2^25374667500 is an apocalyptic number.

25374667500 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 25374667500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (54231152976).

25374667500 is an abundant number, since it is smaller than the sum of its proper divisors (83087638452).

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

25374667500 is an equidigital number, since it uses as much as digits as its factorization.

25374667500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85 (or 47 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 45.

The spelling of 25374667500 in words is "twenty-five billion, three hundred seventy-four million, six hundred sixty-seven thousand, five hundred".