26478885532 has 24 divisors (see below), whose sum is σ = 50574973680. Its totient is φ = 12030053760.

The previous prime is 26478885491. The next prime is 26478885533. The reversal of 26478885532 is 23558887462.

It is a super-2 number, since 2×26478885532² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26478885533) 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 7 ways as a sum of consecutive naturals, for example, 52123 + ... + 235954.

It is an arithmetic number, because the mean of its divisors is an integer number (2107290570).

Almost surely, 2^26478885532 is an apocalyptic number.

26478885532 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

26478885532 is a deficient number, since it is larger than the sum of its proper divisors (24096088148).

26478885532 is a wasteful number, since it uses less digits than its factorization.

26478885532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290181 (or 290179 counting only the distinct ones).

The product of its digits is 25804800, while the sum is 58.

The spelling of 26478885532 in words is "twenty-six billion, four hundred seventy-eight million, eight hundred eighty-five thousand, five hundred thirty-two".