26402076395889 has 16 divisors (see below), whose sum is σ = 35560749893760. Its totient is φ = 17422486121600.

The previous prime is 26402076395881. The next prime is 26402076395917. The reversal of 26402076395889 is 98859367020462.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 26402076395889 - 2³ = 26402076395881 is a prime.

It is a super-2 number, since 2×26402076395889² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26402076395881) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10424244 + ... + 12707045.

It is an arithmetic number, because the mean of its divisors is an integer number (2222546868360).

Almost surely, 2^{26402076395889} is an apocalyptic number.

It is an amenable number.

26402076395889 is a deficient number, since it is larger than the sum of its proper divisors (9158673497871).

26402076395889 is a wasteful number, since it uses less digits than its factorization.

26402076395889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23135160.

The product of its (nonzero) digits is 313528320, while the sum is 69.

The spelling of 26402076395889 in words is "twenty-six trillion, four hundred two billion, seventy-six million, three hundred ninety-five thousand, eight hundred eighty-nine".