26252423032440 has 128 divisors (see below), whose sum is σ = 85962224747520. Its totient is φ = 6360875328000.

The previous prime is 26252423032417. The next prime is 26252423032441. The reversal of 26252423032440 is 4423032425262.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26252423032441) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2721664 + ... + 7740303.

It is an arithmetic number, because the mean of its divisors is an integer number (671579880840).

Almost surely, 2^{26252423032440} is an apocalyptic number.

26252423032440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26252423032440 is an abundant number, since it is smaller than the sum of its proper divisors (59709801715080).

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

26252423032440 is a wasteful number, since it uses less digits than its factorization.

26252423032440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10463893 (or 10463889 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 39.

The spelling of 26252423032440 in words is "twenty-six trillion, two hundred fifty-two billion, four hundred twenty-three million, thirty-two thousand, four hundred forty".