8535279540 has 24 divisors (see below), whose sum is σ = 23898782880. Its totient is φ = 2276074528.

The previous prime is 8535279523. The next prime is 8535279559. The reversal of 8535279540 is 459725358.

It is a super-2 number, since 2×8535279540² (a number of 21 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (48) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 8535279540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71127270 + ... + 71127389.

It is an arithmetic number, because the mean of its divisors is an integer number (995782620).

Almost surely, 2^8535279540 is an apocalyptic number.

It is an amenable number.

8535279540 is an abundant number, since it is smaller than the sum of its proper divisors (15363503340).

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

8535279540 is a wasteful number, since it uses less digits than its factorization.

8535279540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142254671 (or 142254669 counting only the distinct ones).

The product of its (nonzero) digits is 1512000, while the sum is 48.

The square root of 8535279540 is about 92386.5766223644. The cubic root of 8535279540 is about 2043.6471617119.

The spelling of 8535279540 in words is "eight billion, five hundred thirty-five million, two hundred seventy-nine thousand, five hundred forty".