8540726424 has 64 divisors (see below), whose sum is σ = 23337123840. Its totient is φ = 2593006080.

The previous prime is 8540726417. The next prime is 8540726431. The reversal of 8540726424 is 4246270458.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (8540726417) and next prime (8540726431).

It is a super-2 number, since 2×8540726424² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 324984 + ... + 350279.

It is an arithmetic number, because the mean of its divisors is an integer number (364642560).

Almost surely, 2^8540726424 is an apocalyptic number.

It is an amenable number.

8540726424 is an abundant number, since it is smaller than the sum of its proper divisors (14796397416).

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

8540726424 is a wasteful number, since it uses less digits than its factorization.

8540726424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675320 (or 675316 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 42.

The square root of 8540726424 is about 92416.0506838504. The cubic root of 8540726424 is about 2044.0817946927.

The spelling of 8540726424 in words is "eight billion, five hundred forty million, seven hundred twenty-six thousand, four hundred twenty-four".