25043601960 has 192 divisors, whose sum is σ = 89791163280. Its totient is φ = 6014177280.

The previous prime is 25043601941. The next prime is 25043601991. The reversal of 25043601960 is 6910634052.

It is a happy number.

25043601960 is a `hidden beast` number, since 2 + 5 + 0 + 43 + 601 + 9 + 6 + 0 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 7776065124 + 17267536836 = 88182^2 + 131406^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 126622 + ... + 257138.

Almost surely, 2^25043601960 is an apocalyptic number.

25043601960 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 25043601960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44895581640).

25043601960 is an abundant number, since it is smaller than the sum of its proper divisors (64747561320).

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

25043601960 is a wasteful number, since it uses less digits than its factorization.

25043601960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130588 (or 130581 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 36.

The spelling of 25043601960 in words is "twenty-five billion, forty-three million, six hundred one thousand, nine hundred sixty".