4452120040 has 16 divisors (see below), whose sum is σ = 10017270180. Its totient is φ = 1780848000.

The previous prime is 4452120031. The next prime is 4452120061. The reversal of 4452120040 is 400212544.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 4433162724 + 18957316 = 66582^2 + 4354^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4452119993 and 4452120020.

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, 55651461 + ... + 55651540.

Almost surely, 2^4452120040 is an apocalyptic number.

4452120040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4452120040 is an abundant number, since it is smaller than the sum of its proper divisors (5565150140).

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

4452120040 is a wasteful number, since it uses less digits than its factorization.

4452120040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111303012 (or 111303008 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 4452120040 is about 66724.2088001049. The cubic root of 4452120040 is about 1645.0873208698.

Adding to 4452120040 its reverse (400212544), we get a palindrome (4852332584).

The spelling of 4452120040 in words is "four billion, four hundred fifty-two million, one hundred twenty thousand, forty".