26366631412 has 48 divisors (see below), whose sum is σ = 51450577920. Its totient is φ = 11722370400.

The previous prime is 26366631397. The next prime is 26366631413. The reversal of 26366631412 is 21413666362.

It is a happy number.

It is a super-2 number, since 2×26366631412² (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 (26366631413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 336487 + ... + 407377.

It is an arithmetic number, because the mean of its divisors is an integer number (1071887040).

Almost surely, 2^26366631412 is an apocalyptic number.

26366631412 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

26366631412 is a deficient number, since it is larger than the sum of its proper divisors (25083946508).

26366631412 is a wasteful number, since it uses less digits than its factorization.

26366631412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71092 (or 71090 counting only the distinct ones).

The product of its digits is 186624, while the sum is 40.

The spelling of 26366631412 in words is "twenty-six billion, three hundred sixty-six million, six hundred thirty-one thousand, four hundred twelve".