26190772260 has 96 divisors (see below), whose sum is σ = 74359555200. Its totient is φ = 6886978560.

The previous prime is 26190772253. The next prime is 26190772301. The reversal of 26190772260 is 6227709162.

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, 2017390 + ... + 2030330.

It is an arithmetic number, because the mean of its divisors is an integer number (774578700).

Almost surely, 2^26190772260 is an apocalyptic number.

26190772260 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 26190772260, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (37179777600).

26190772260 is an abundant number, since it is smaller than the sum of its proper divisors (48168782940).

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

26190772260 is a wasteful number, since it uses less digits than its factorization.

26190772260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13421 (or 13419 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 42.

The spelling of 26190772260 in words is "twenty-six billion, one hundred ninety million, seven hundred seventy-two thousand, two hundred sixty".