26104372690 has 32 divisors (see below), whose sum is σ = 51378520320. Its totient is φ = 9470457600.

The previous prime is 26104372687. The next prime is 26104372699. The reversal of 26104372690 is 9627340162.

It is a happy number.

It is a super-2 number, since 2×26104372690² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (26104372699) 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, 227895 + ... + 322714.

It is an arithmetic number, because the mean of its divisors is an integer number (1605578760).

Almost surely, 2^26104372690 is an apocalyptic number.

26104372690 is a deficient number, since it is larger than the sum of its proper divisors (25274147630).

26104372690 is a wasteful number, since it uses less digits than its factorization.

26104372690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 551058.

The product of its (nonzero) digits is 108864, while the sum is 40.

The spelling of 26104372690 in words is "twenty-six billion, one hundred four million, three hundred seventy-two thousand, six hundred ninety".