3520040512 has 14 divisors (see below), whose sum is σ = 6985080518. Its totient is φ = 1760020224.

The previous prime is 3520040507. The next prime is 3520040521. The reversal of 3520040512 is 2150400253.

It can be written as a sum of positive squares in only one way, i.e., 2375977536 + 1144062976 = 48744^2 + 33824^2 .

It is a super-2 number, since 2×3520040512² = 24781370412242444288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 27500253 + ... + 27500380.

Almost surely, 2^3520040512 is an apocalyptic number.

3520040512 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

3520040512 is a deficient number, since it is larger than the sum of its proper divisors (3465040006).

3520040512 is an equidigital number, since it uses as much as digits as its factorization.

3520040512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55000645 (or 55000635 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 3520040512 is about 59329.9293105933. The cubic root of 3520040512 is about 1521.1868200856.

Adding to 3520040512 its reverse (2150400253), we get a palindrome (5670440765).

The spelling of 3520040512 in words is "three billion, five hundred twenty million, forty thousand, five hundred twelve".