8540026556 has 6 divisors (see below), whose sum is σ = 14945046480. Its totient is φ = 4270013276.

The previous prime is 8540026543. The next prime is 8540026559. The reversal of 8540026556 is 6556200458.

It is a super-2 number, since 2×8540026556² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8540026559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1067503316 + ... + 1067503323.

It is an arithmetic number, because the mean of its divisors is an integer number (2490841080).

Almost surely, 2^8540026556 is an apocalyptic number.

It is an amenable number.

8540026556 is a deficient number, since it is larger than the sum of its proper divisors (6405019924).

8540026556 is a wasteful number, since it uses less digits than its factorization.

8540026556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2135006643 (or 2135006641 counting only the distinct ones).

The product of its (nonzero) digits is 288000, while the sum is 41.

The square root of 8540026556 is about 92412.2640995231. The cubic root of 8540026556 is about 2044.0259592191.

The spelling of 8540026556 in words is "eight billion, five hundred forty million, twenty-six thousand, five hundred fifty-six".