7446663380 has 24 divisors (see below), whose sum is σ = 16840916232. Its totient is φ = 2749537152.

The previous prime is 7446663377. The next prime is 7446663437. The reversal of 7446663380 is 833666447.

It can be written as a sum of positive squares in 4 ways, for example, as 261727684 + 7184935696 = 16178^2 + 84764^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14320247 + ... + 14320766.

It is an arithmetic number, because the mean of its divisors is an integer number (701704843).

Almost surely, 2^7446663380 is an apocalyptic number.

It is an amenable number.

7446663380 is an abundant number, since it is smaller than the sum of its proper divisors (9394252852).

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

7446663380 is a wasteful number, since it uses less digits than its factorization.

7446663380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28641035 (or 28641033 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 47.

The square root of 7446663380 is about 86294.0518228226. The cubic root of 7446663380 is about 1952.7826483570.

The spelling of 7446663380 in words is "seven billion, four hundred forty-six million, six hundred sixty-three thousand, three hundred eighty".