3520320460 has 24 divisors (see below), whose sum is σ = 7402789296. Its totient is φ = 1406201280.

The previous prime is 3520320439. The next prime is 3520320497. The reversal of 3520320460 is 640230253.

It is a happy number.

It is a super-2 number, since 2×3520320460² = 24785312282189223200, which contains 22 as substring.

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, 105406 + ... + 134725.

It is an arithmetic number, because the mean of its divisors is an integer number (308449554).

Almost surely, 2^3520320460 is an apocalyptic number.

It is an amenable number.

3520320460 is an abundant number, since it is smaller than the sum of its proper divisors (3882468836).

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

3520320460 is a wasteful number, since it uses less digits than its factorization.

3520320460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 240873 (or 240871 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 3520320460 is about 59332.2885113999. The cubic root of 3520320460 is about 1521.2271455608.

The spelling of 3520320460 in words is "three billion, five hundred twenty million, three hundred twenty thousand, four hundred sixty".