36621711424 has 63 divisors (see below), whose sum is σ = 76758281967. Its totient is φ = 17333347968.

The previous prime is 36621711421. The next prime is 36621711431. The reversal of 36621711424 is 42411712663.

The square root of 36621711424 is 191368.

It is a perfect power (a square), and thus also a powerful number.

It is a super-2 number, since 2×36621711424² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (36621711421) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 29087307 + ... + 29088565.

Almost surely, 2^36621711424 is an apocalyptic number.

36621711424 is the 191368-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 36621711424

36621711424 is an abundant number, since it is smaller than the sum of its proper divisors (40136570543).

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

36621711424 is an frugal number, since it uses more digits than its factorization.

36621711424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568 (or 1280 counting only the distinct ones).

The product of its digits is 48384, while the sum is 37.

The spelling of 36621711424 in words is "thirty-six billion, six hundred twenty-one million, seven hundred eleven thousand, four hundred twenty-four".