26155269000 has 576 divisors, whose sum is σ = 103869941760. Its totient is φ = 5918572800.

The previous prime is 26155268989. The next prime is 26155269001. The reversal of 26155269000 is 96255162.

It is a super-2 number, since 2×26155269000² (a number of 22 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (26155269001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 56006767 + ... + 56007233.

It is an arithmetic number, because the mean of its divisors is an integer number (180329760).

Almost surely, 2^26155269000 is an apocalyptic number.

26155269000 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 26155269000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51934970880).

26155269000 is an abundant number, since it is smaller than the sum of its proper divisors (77714672760).

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

26155269000 is a wasteful number, since it uses less digits than its factorization.

26155269000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635 (or 611 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The spelling of 26155269000 in words is "twenty-six billion, one hundred fifty-five million, two hundred sixty-nine thousand".