26478571955 has 8 divisors (see below), whose sum is σ = 34662857904. Its totient is φ = 19257143200.

The previous prime is 26478571939. The next prime is 26478571961. The reversal of 26478571955 is 55917587462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 26478571955 - 2⁴ = 26478571939 is a prime.

It is a super-2 number, since 2×26478571955² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 26478571894 and 26478571903.

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, 240714236 + ... + 240714345.

It is an arithmetic number, because the mean of its divisors is an integer number (4332857238).

Almost surely, 2^26478571955 is an apocalyptic number.

26478571955 is a deficient number, since it is larger than the sum of its proper divisors (8184285949).

26478571955 is a wasteful number, since it uses less digits than its factorization.

26478571955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 481428597.

The product of its digits is 21168000, while the sum is 59.

The spelling of 26478571955 in words is "twenty-six billion, four hundred seventy-eight million, five hundred seventy-one thousand, nine hundred fifty-five".