8537522040 has 64 divisors (see below), whose sum is σ = 28458410400. Its totient is φ = 2276672256.

The previous prime is 8537522039. The next prime is 8537522057. The reversal of 8537522040 is 402257358.

8537522040 is a `hidden beast` number, since 85 + 375 + 2 + 204 + 0 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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 = 8537521986 and 8537522004.

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, 3951477 + ... + 3953636.

Almost surely, 2^8537522040 is an apocalyptic number.

It is an amenable number.

8537522040 is an abundant number, since it is smaller than the sum of its proper divisors (19920888360).

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

8537522040 is a wasteful number, since it uses less digits than its factorization.

8537522040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7905133 (or 7905123 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 8537522040 is about 92398.7123286899. The cubic root of 8537522040 is about 2043.8261239216.

Adding to 8537522040 its reverse (402257358), we get a palindrome (8939779398).

The spelling of 8537522040 in words is "eight billion, five hundred thirty-seven million, five hundred twenty-two thousand, forty".