8500533400 has 24 divisors (see below), whose sum is σ = 19763740620. Its totient is φ = 3400213280.

The previous prime is 8500533347. The next prime is 8500533401. The reversal of 8500533400 is 43350058.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8500533401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 21251134 + ... + 21251533.

Almost surely, 2^8500533400 is an apocalyptic number.

It is an amenable number.

8500533400 is an abundant number, since it is smaller than the sum of its proper divisors (11263207220).

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

8500533400 is a wasteful number, since it uses less digits than its factorization.

8500533400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42502683 (or 42502674 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 8500533400 is about 92198.3372952029. The cubic root of 8500533400 is about 2040.8702393762.

Adding to 8500533400 its reverse (43350058), we get a palindrome (8543883458).

The spelling of 8500533400 in words is "eight billion, five hundred million, five hundred thirty-three thousand, four hundred".