4452190640 has 20 divisors (see below), whose sum is σ = 10351343424. Its totient is φ = 1780876224.

The previous prime is 4452190627. The next prime is 4452190651. The reversal of 4452190640 is 460912544.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 4452190640.

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, 27826112 + ... + 27826271.

Almost surely, 2^4452190640 is an apocalyptic number.

4452190640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4452190640 is an abundant number, since it is smaller than the sum of its proper divisors (5899152784).

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

4452190640 is a wasteful number, since it uses less digits than its factorization.

4452190640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55652396 (or 55652390 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 35.

The square root of 4452190640 is about 66724.7378413733. The cubic root of 4452190640 is about 1645.0960165436.

The spelling of 4452190640 in words is "four billion, four hundred fifty-two million, one hundred ninety thousand, six hundred forty".