25941455340 has 96 divisors (see below), whose sum is σ = 75020445696. Its totient is φ = 6690885120.

The previous prime is 25941455329. The next prime is 25941455341. The reversal of 25941455340 is 4355414952.

It is a junction number, because it is equal to n+sod(n) for n = 25941455292 and 25941455301.

It is not an unprimeable number, because it can be changed into a prime (25941455341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5490219 + ... + 5494941.

It is an arithmetic number, because the mean of its divisors is an integer number (781462976).

Almost surely, 2^25941455340 is an apocalyptic number.

25941455340 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 25941455340, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37510222848).

25941455340 is an abundant number, since it is smaller than the sum of its proper divisors (49078990356).

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

25941455340 is a wasteful number, since it uses less digits than its factorization.

25941455340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7719 (or 7717 counting only the distinct ones).

The product of its (nonzero) digits is 432000, while the sum is 42.

The spelling of 25941455340 in words is "twenty-five billion, nine hundred forty-one million, four hundred fifty-five thousand, three hundred forty".