25835842560 has 264 divisors, whose sum is σ = 90836001648. Its totient is φ = 6262784000.

The previous prime is 25835842559. The next prime is 25835842561. The reversal of 25835842560 is 6524853852.

It is an interprime number because it is at equal distance from previous prime (25835842559) and next prime (25835842561).

It is a tau number, because it is divible by the number of its divisors (264).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (25835842561) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1851610 + ... + 1865510.

Almost surely, 2^25835842560 is an apocalyptic number.

25835842560 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 25835842560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45418000824).

25835842560 is an abundant number, since it is smaller than the sum of its proper divisors (65000159088).

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

25835842560 is a wasteful number, since it uses less digits than its factorization.

25835842560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13951 (or 13922 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 48.

The spelling of 25835842560 in words is "twenty-five billion, eight hundred thirty-five million, eight hundred forty-two thousand, five hundred sixty".