36240420216 has 128 divisors (see below), whose sum is σ = 121646246400. Its totient is φ = 8689006080.

The previous prime is 36240420173. The next prime is 36240420239. The reversal of 36240420216 is 61202404263.

It is a super-2 number, since 2×36240420216² (a number of 22 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 31 ways as a sum of consecutive naturals, for example, 730231 + ... + 778278.

It is an arithmetic number, because the mean of its divisors is an integer number (950361300).

Almost surely, 2^36240420216 is an apocalyptic number.

It is an amenable number.

36240420216 is an abundant number, since it is smaller than the sum of its proper divisors (85405826184).

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

36240420216 is a wasteful number, since it uses less digits than its factorization.

36240420216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508549 (or 1508545 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 36240420216 its reverse (61202404263), we get a palindrome (97442824479).

The spelling of 36240420216 in words is "thirty-six billion, two hundred forty million, four hundred twenty thousand, two hundred sixteen".