4049217642 has 32 divisors (see below), whose sum is σ = 8528486400. Its totient is φ = 1278127728.

The previous prime is 4049217631. The next prime is 4049217647. The reversal of 4049217642 is 2467129404.

It is a self number, because there is not a number n which added to its sum of digits gives 4049217642.

It is not an unprimeable number, because it can be changed into a prime (4049217647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 299709 + ... + 312927.

It is an arithmetic number, because the mean of its divisors is an integer number (266515200).

Almost surely, 2^4049217642 is an apocalyptic number.

4049217642 is an abundant number, since it is smaller than the sum of its proper divisors (4479268758).

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

4049217642 is a wasteful number, since it uses less digits than its factorization.

4049217642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15930.

The product of its (nonzero) digits is 96768, while the sum is 39.

The square root of 4049217642 is about 63633.4632249416. The cubic root of 4049217642 is about 1593.8852077279.

The spelling of 4049217642 in words is "four billion, forty-nine million, two hundred seventeen thousand, six hundred forty-two".