4445745770 has 8 divisors (see below), whose sum is σ = 8002342404. Its totient is φ = 1778298304.

The previous prime is 4445745749. The next prime is 4445745781. The reversal of 4445745770 is 775475444.

It can be written as a sum of positive squares in 2 ways, for example, as 4441289449 + 4456321 = 66643^2 + 2111^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

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, 222287279 + ... + 222287298.

Almost surely, 2^4445745770 is an apocalyptic number.

4445745770 is a deficient number, since it is larger than the sum of its proper divisors (3556596634).

4445745770 is a wasteful number, since it uses less digits than its factorization.

4445745770 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444574584.

The product of its (nonzero) digits is 2195200, while the sum is 47.

The square root of 4445745770 is about 66676.4258940144. The cubic root of 4445745770 is about 1644.3018344679.

The spelling of 4445745770 in words is "four billion, four hundred forty-five million, seven hundred forty-five thousand, seven hundred seventy".