4240445904 has 100 divisors (see below), whose sum is σ = 12344676036. Its totient is φ = 1405237248.

The previous prime is 4240445849. The next prime is 4240445921. The reversal of 4240445904 is 4095440424.

It is a happy number.

4240445904 is a `hidden beast` number, since 4 + 24 + 0 + 44 + 590 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4000815504 + 239630400 = 63252^2 + 15480^2 .

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 214752 + ... + 233664.

Almost surely, 2^4240445904 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 4240445904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6172338018).

4240445904 is an abundant number, since it is smaller than the sum of its proper divisors (8104230132).

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

4240445904 is a wasteful number, since it uses less digits than its factorization.

4240445904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19106 (or 19091 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 36.

The square root of 4240445904 is about 65118.7062525047. The cubic root of 4240445904 is about 1618.5912032100.

The spelling of 4240445904 in words is "four billion, two hundred forty million, four hundred forty-five thousand, nine hundred four".