4392448040 has 16 divisors (see below), whose sum is σ = 9883008180. Its totient is φ = 1756979200.

The previous prime is 4392448037. The next prime is 4392448057. The reversal of 4392448040 is 408442934.

It can be written as a sum of positive squares in 2 ways, for example, as 4183761124 + 208686916 = 64682^2 + 14446^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4392447985 and 4392448003.

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, 54905561 + ... + 54905640.

Almost surely, 2^4392448040 is an apocalyptic number.

4392448040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4392448040 is an abundant number, since it is smaller than the sum of its proper divisors (5490560140).

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

4392448040 is a wasteful number, since it uses less digits than its factorization.

4392448040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109811212 (or 109811208 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 38.

The square root of 4392448040 is about 66275.5463198909. The cubic root of 4392448040 is about 1637.7045071388.

The spelling of 4392448040 in words is "four billion, three hundred ninety-two million, four hundred forty-eight thousand, forty".