26487233955 has 576 divisors, whose sum is σ = 66090816000. Its totient is φ = 9985876992.

The previous prime is 26487233951. The next prime is 26487233957. The reversal of 26487233955 is 55933278462.

It is not a de Polignac number, because 26487233955 - 2² = 26487233951 is a prime.

It is a super-4 number, since 4×26487233955⁴ (a number of 43 digits) contains 4444 as substring.

It is not an unprimeable number, because it can be changed into a prime (26487233951) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 575 ways as a sum of consecutive naturals, for example, 615982164 + ... + 615982206.

It is an arithmetic number, because the mean of its divisors is an integer number (114741000).

Almost surely, 2^26487233955 is an apocalyptic number.

26487233955 is an abundant number, since it is smaller than the sum of its proper divisors (39603582045).

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

26487233955 is a wasteful number, since it uses less digits than its factorization.

26487233955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 145 (or 119 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 54.

The spelling of 26487233955 in words is "twenty-six billion, four hundred eighty-seven million, two hundred thirty-three thousand, nine hundred fifty-five".