26862542406 has 96 divisors (see below), whose sum is σ = 71205808128. Its totient is φ = 7427401920.

The previous prime is 26862542393. The next prime is 26862542407. The reversal of 26862542406 is 60424526862.

26862542406 is a `hidden beast` number, since 2 + 6 + 8 + 62 + 542 + 40 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26862542407) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 21895 + ... + 232818.

It is an arithmetic number, because the mean of its divisors is an integer number (741727168).

Almost surely, 2^26862542406 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26862542406, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35602904064).

26862542406 is an abundant number, since it is smaller than the sum of its proper divisors (44343265722).

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

26862542406 is a wasteful number, since it uses less digits than its factorization.

26862542406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 254768 (or 254756 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 45.

The spelling of 26862542406 in words is "twenty-six billion, eight hundred sixty-two million, five hundred forty-two thousand, four hundred six".