26140380798 has 16 divisors (see below), whose sum is σ = 59749441920. Its totient is φ = 7468680216.

The previous prime is 26140380797. The next prime is 26140380809. The reversal of 26140380798 is 89708304162.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26140380797) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311194968 + ... + 311195051.

It is an arithmetic number, because the mean of its divisors is an integer number (3734340120).

Almost surely, 2^26140380798 is an apocalyptic number.

26140380798 is an abundant number, since it is smaller than the sum of its proper divisors (33609061122).

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

26140380798 is a wasteful number, since it uses less digits than its factorization.

26140380798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622390031.

The product of its (nonzero) digits is 580608, while the sum is 48.

The spelling of 26140380798 in words is "twenty-six billion, one hundred forty million, three hundred eighty thousand, seven hundred ninety-eight".