26498597140 has 48 divisors (see below), whose sum is σ = 55852134912. Its totient is φ = 10560456576.

The previous prime is 26498597123. The next prime is 26498597173. The reversal of 26498597140 is 4179589462.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6832882 + ... + 6836758.

It is an arithmetic number, because the mean of its divisors is an integer number (1163586144).

Almost surely, 2^26498597140 is an apocalyptic number.

26498597140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26498597140 is an abundant number, since it is smaller than the sum of its proper divisors (29353537772).

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

26498597140 is a wasteful number, since it uses less digits than its factorization.

26498597140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5056 (or 5054 counting only the distinct ones).

The product of its (nonzero) digits is 4354560, while the sum is 55.

The spelling of 26498597140 in words is "twenty-six billion, four hundred ninety-eight million, five hundred ninety-seven thousand, one hundred forty".