4406420736 has 90 divisors (see below), whose sum is σ = 13139211162. Its totient is φ = 1468800000.

The previous prime is 4406420719. The next prime is 4406420737. The reversal of 4406420736 is 6370246044.

4406420736 is a `hidden beast` number, since 4 + 4 + 0 + 642 + 0 + 7 + 3 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 4292870400 + 113550336 = 65520^2 + 10656^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 4406420736.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4406420737) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 85515 + ... + 126986.

Almost surely, 2^4406420736 is an apocalyptic number.

It is an amenable number.

4406420736 is an abundant number, since it is smaller than the sum of its proper divisors (8732790426).

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

4406420736 is an equidigital number, since it uses as much as digits as its factorization.

4406420736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212529 (or 212506 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 36.

The square root of 4406420736 is about 66380.8762822547. The cubic root of 4406420736 is about 1639.4392213180.

The spelling of 4406420736 in words is "four billion, four hundred six million, four hundred twenty thousand, seven hundred thirty-six".