26023655940 has 24 divisors (see below), whose sum is σ = 72866236800. Its totient is φ = 6939641568.

The previous prime is 26023655921. The next prime is 26023656011. The reversal of 26023655940 is 4955632062.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 26023655892 and 26023655901.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216863740 + ... + 216863859.

It is an arithmetic number, because the mean of its divisors is an integer number (3036093200).

Almost surely, 2^26023655940 is an apocalyptic number.

26023655940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

26023655940 is an abundant number, since it is smaller than the sum of its proper divisors (46842580860).

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

26023655940 is a wasteful number, since it uses less digits than its factorization.

26023655940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 433727611 (or 433727609 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 42.

The spelling of 26023655940 in words is "twenty-six billion, twenty-three million, six hundred fifty-five thousand, nine hundred forty".