4044420420 has 96 divisors (see below), whose sum is σ = 11652025728. Its totient is φ = 1047416832.

The previous prime is 4044420397. The next prime is 4044420433. The reversal of 4044420420 is 240244404.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1492707 + ... + 1495413.

It is an arithmetic number, because the mean of its divisors is an integer number (121375268).

Almost surely, 2^4044420420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4044420420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5826012864).

4044420420 is an abundant number, since it is smaller than the sum of its proper divisors (7607605308).

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

4044420420 is a wasteful number, since it uses less digits than its factorization.

4044420420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3429 (or 3427 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 24.

The square root of 4044420420 is about 63595.7578773930. The cubic root of 4044420420 is about 1593.2555187844.

Adding to 4044420420 its reverse (240244404), we get a palindrome (4284664824).

The spelling of 4044420420 in words is "four billion, forty-four million, four hundred twenty thousand, four hundred twenty".