26155019260 has 12 divisors (see below), whose sum is σ = 54925540488. Its totient is φ = 10462007696.

The previous prime is 26155019257. The next prime is 26155019321. The reversal of 26155019260 is 6291055162.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 653875462 + ... + 653875501.

It is an arithmetic number, because the mean of its divisors is an integer number (4577128374).

Almost surely, 2^26155019260 is an apocalyptic number.

26155019260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26155019260 is an abundant number, since it is smaller than the sum of its proper divisors (28770521228).

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

26155019260 is a wasteful number, since it uses less digits than its factorization.

26155019260 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1307750972 (or 1307750970 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 37.

The spelling of 26155019260 in words is "twenty-six billion, one hundred fifty-five million, nineteen thousand, two hundred sixty".