4200044420 has 48 divisors (see below), whose sum is σ = 10362074688. Its totient is φ = 1409804160.

The previous prime is 4200044417. The next prime is 4200044423. The reversal of 4200044420 is 244400024.

It is an interprime number because it is at equal distance from previous prime (4200044417) and next prime (4200044423).

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 4200044392 and 4200044401.

It is not an unprimeable number, because it can be changed into a prime (4200044423) 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, 731414 + ... + 737133.

It is an arithmetic number, because the mean of its divisors is an integer number (215876556).

Almost surely, 2^4200044420 is an apocalyptic number.

It is an amenable number.

4200044420 is an abundant number, since it is smaller than the sum of its proper divisors (6162030268).

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

4200044420 is a wasteful number, since it uses less digits than its factorization.

4200044420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468580 (or 1468578 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

The square root of 4200044420 is about 64807.7496909127. The cubic root of 4200044420 is about 1613.4343339807.

Adding to 4200044420 its reverse (244400024), we get a palindrome (4444444444).

It can be divided in two parts, 420004 and 4420, that added together give a palindrome (424424).

The spelling of 4200044420 in words is "four billion, two hundred million, forty-four thousand, four hundred twenty".