3965498440 has 16 divisors (see below), whose sum is σ = 8922371580. Its totient is φ = 1586199360.

The previous prime is 3965498437. The next prime is 3965498441. The reversal of 3965498440 is 448945693.

It can be written as a sum of positive squares in 2 ways, for example, as 3176675044 + 788823396 = 56362^2 + 28086^2 .

It is not an unprimeable number, because it can be changed into a prime (3965498441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49568691 + ... + 49568770.

Almost surely, 2^3965498440 is an apocalyptic number.

It is an amenable number.

3965498440 is an abundant number, since it is smaller than the sum of its proper divisors (4956873140).

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

3965498440 is a wasteful number, since it uses less digits than its factorization.

3965498440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99137472 (or 99137468 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 52.

The square root of 3965498440 is about 62972.2037092557. The cubic root of 3965498440 is about 1582.8238822900.

The spelling of 3965498440 in words is "three billion, nine hundred sixty-five million, four hundred ninety-eight thousand, four hundred forty".