4047720444 has 48 divisors (see below), whose sum is σ = 10554798240. Its totient is φ = 1341434880.

The previous prime is 4047720433. The next prime is 4047720493. The reversal of 4047720444 is 4440277404.

4047720444 is a `hidden beast` number, since 404 + 7 + 7 + 204 + 44 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

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

It is a junction number, because it is equal to n+sod(n) for n = 4047720399 and 4047720408.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89637 + ... + 127004.

It is an arithmetic number, because the mean of its divisors is an integer number (219891630).

Almost surely, 2^4047720444 is an apocalyptic number.

It is an amenable number.

4047720444 is an abundant number, since it is smaller than the sum of its proper divisors (6507077796).

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

4047720444 is a wasteful number, since it uses less digits than its factorization.

4047720444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 216827 (or 216819 counting only the distinct ones).

The product of its (nonzero) digits is 100352, while the sum is 36.

The square root of 4047720444 is about 63621.6979025238. The cubic root of 4047720444 is about 1593.6887371884.

Adding to 4047720444 its reverse (4440277404), we get a palindrome (8487997848).

The spelling of 4047720444 in words is "four billion, forty-seven million, seven hundred twenty thousand, four hundred forty-four".