26243698854 has 32 divisors (see below), whose sum is σ = 53757310464. Its totient is φ = 8536620960.

The previous prime is 26243698853. The next prime is 26243698867. The reversal of 26243698854 is 45889634262.

It is a super-3 number, since 3×26243698854³ (a number of 32 digits) contains 333 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 26243698794 and 26243698803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26243698853) 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, 238464 + ... + 330684.

It is an arithmetic number, because the mean of its divisors is an integer number (1679915952).

Almost surely, 2^26243698854 is an apocalyptic number.

26243698854 is an abundant number, since it is smaller than the sum of its proper divisors (27513611610).

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

26243698854 is a wasteful number, since it uses less digits than its factorization.

26243698854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93372.

The product of its digits is 19906560, while the sum is 57.

The spelling of 26243698854 in words is "twenty-six billion, two hundred forty-three million, six hundred ninety-eight thousand, eight hundred fifty-four".