25846462040 has 256 divisors, whose sum is σ = 73365626880. Its totient is φ = 7991009280.

The previous prime is 25846462039. The next prime is 25846462043. The reversal of 25846462040 is 4026464852.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25846462043) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 15788102 + ... + 15789738.

It is an arithmetic number, because the mean of its divisors is an integer number (286584480).

Almost surely, 2^25846462040 is an apocalyptic number.

25846462040 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 25846462040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (36682813440).

25846462040 is an abundant number, since it is smaller than the sum of its proper divisors (47519164840).

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

25846462040 is a wasteful number, since it uses less digits than its factorization.

25846462040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1810 (or 1806 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 41.

The spelling of 25846462040 in words is "twenty-five billion, eight hundred forty-six million, four hundred sixty-two thousand, forty".