26097740988 has 48 divisors (see below), whose sum is σ = 68050886400. Its totient is φ = 7715516800.

The previous prime is 26097740983. The next prime is 26097741079. The reversal of 26097740988 is 88904779062.

It is a super-2 number, since 2×26097740988² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26097740983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2405688 + ... + 2416511.

It is an arithmetic number, because the mean of its divisors is an integer number (1417726800).

Almost surely, 2^26097740988 is an apocalyptic number.

It is an amenable number.

26097740988 is an abundant number, since it is smaller than the sum of its proper divisors (41953145412).

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

26097740988 is a wasteful number, since it uses less digits than its factorization.

26097740988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4822258 (or 4822256 counting only the distinct ones).

The product of its (nonzero) digits is 12192768, while the sum is 60.

The spelling of 26097740988 in words is "twenty-six billion, ninety-seven million, seven hundred forty thousand, nine hundred eighty-eight".