4220749512 has 64 divisors (see below), whose sum is σ = 13399209600. Its totient is φ = 1205928000.

The previous prime is 4220749459. The next prime is 4220749543. The reversal of 4220749512 is 2159470224.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1394239 + ... + 1397262.

It is an arithmetic number, because the mean of its divisors is an integer number (209362650).

Almost surely, 2^4220749512 is an apocalyptic number.

4220749512 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

4220749512 is an abundant number, since it is smaller than the sum of its proper divisors (9178460088).

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

4220749512 is a wasteful number, since it uses less digits than its factorization.

4220749512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2791523 (or 2791513 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 36.

The square root of 4220749512 is about 64967.2957109960. The cubic root of 4220749512 is about 1616.0812553088.

It can be divided in two parts, 42207 and 49512, that added together give a palindrome (91719).

The spelling of 4220749512 in words is "four billion, two hundred twenty million, seven hundred forty-nine thousand, five hundred twelve".