26562344040 has 128 divisors (see below), whose sum is σ = 88671772800. Its totient is φ = 7072842240.

The previous prime is 26562343981. The next prime is 26562344041. The reversal of 26562344040 is 4044326562.

26562344040 is a `hidden beast` number, since 26 + 5 + 623 + 4 + 4 + 0 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 26562343986 and 26562344004.

It is not an unprimeable number, because it can be changed into a prime (26562344041) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 728484 + ... + 764076.

It is an arithmetic number, because the mean of its divisors is an integer number (692748225).

Almost surely, 2^26562344040 is an apocalyptic number.

26562344040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 26562344040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44335886400).

26562344040 is an abundant number, since it is smaller than the sum of its proper divisors (62109428760).

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

26562344040 is a wasteful number, since it uses less digits than its factorization.

26562344040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36304 (or 36294 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 36.

The spelling of 26562344040 in words is "twenty-six billion, five hundred sixty-two million, three hundred forty-four thousand, forty".