26495039720 has 32 divisors (see below), whose sum is σ = 60083251200. Its totient is φ = 10514564928.

The previous prime is 26495039707. The next prime is 26495039741. The reversal of 26495039720 is 2793059462.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2602700 + ... + 2612859.

It is an arithmetic number, because the mean of its divisors is an integer number (1877601600).

Almost surely, 2^26495039720 is an apocalyptic number.

26495039720 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26495039720 is an abundant number, since it is smaller than the sum of its proper divisors (33588211480).

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

26495039720 is a wasteful number, since it uses less digits than its factorization.

26495039720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5215697 (or 5215693 counting only the distinct ones).

The product of its (nonzero) digits is 816480, while the sum is 47.

The spelling of 26495039720 in words is "twenty-six billion, four hundred ninety-five million, thirty-nine thousand, seven hundred twenty".