4237638216 has 32 divisors (see below), whose sum is σ = 12107538240. Its totient is φ = 1210753728.

The previous prime is 4237638187. The next prime is 4237638221. The reversal of 4237638216 is 6128367324.

4237638216 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a nude number because it is divisible by every one of its digits.

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, 12611851 + ... + 12612186.

It is an arithmetic number, because the mean of its divisors is an integer number (378360570).

Almost surely, 2^4237638216 is an apocalyptic number.

It is an amenable number.

4237638216 is an abundant number, since it is smaller than the sum of its proper divisors (7869900024).

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

4237638216 is a wasteful number, since it uses less digits than its factorization.

4237638216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25224053 (or 25224049 counting only the distinct ones).

The product of its digits is 290304, while the sum is 42.

The square root of 4237638216 is about 65097.1444535012. The cubic root of 4237638216 is about 1618.2338899641.

The spelling of 4237638216 in words is "four billion, two hundred thirty-seven million, six hundred thirty-eight thousand, two hundred sixteen".