26453176640 has 224 divisors, whose sum is σ = 71309593728. Its totient is φ = 9262080000.

The previous prime is 26453176639. The next prime is 26453176681. The reversal of 26453176640 is 4667135462.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 26453176591 and 26453176600.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13153235 + ... + 13155245.

Almost surely, 2^26453176640 is an apocalyptic number.

26453176640 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 26453176640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35654796864).

26453176640 is an abundant number, since it is smaller than the sum of its proper divisors (44856417088).

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

26453176640 is a wasteful number, since it uses less digits than its factorization.

26453176640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2177 (or 2167 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 44.

The spelling of 26453176640 in words is "twenty-six billion, four hundred fifty-three million, one hundred seventy-six thousand, six hundred forty".