4447406240 has 24 divisors (see below), whose sum is σ = 10506997620. Its totient is φ = 1778962432.

The previous prime is 4447406233. The next prime is 4447406251. The reversal of 4447406240 is 426047444.

It can be written as a sum of positive squares in 2 ways, for example, as 3657346576 + 790059664 = 60476^2 + 28108^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4447406240.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13897985 + ... + 13898304.

Almost surely, 2^4447406240 is an apocalyptic number.

4447406240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4447406240 is an abundant number, since it is smaller than the sum of its proper divisors (6059591380).

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

4447406240 is a wasteful number, since it uses less digits than its factorization.

4447406240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27796304 (or 27796296 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 35.

The square root of 4447406240 is about 66688.8764337802. The cubic root of 4447406240 is about 1644.5065225868.

The spelling of 4447406240 in words is "four billion, four hundred forty-seven million, four hundred six thousand, two hundred forty".