3521523040 has 48 divisors (see below), whose sum is σ = 9508115232. Its totient is φ = 1207378944.

The previous prime is 3521523037. The next prime is 3521523079. The reversal of 3521523040 is 403251253.

It is a super-2 number, since 2×3521523040² = 24802249042501683200, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3521522996 and 3521523014.

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, 1570989 + ... + 1573228.

It is an arithmetic number, because the mean of its divisors is an integer number (198085734).

Almost surely, 2^3521523040 is an apocalyptic number.

It is an amenable number.

3521523040 is an abundant number, since it is smaller than the sum of its proper divisors (5986592192).

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

3521523040 is a wasteful number, since it uses less digits than its factorization.

3521523040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3144239 (or 3144231 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 25.

The square root of 3521523040 is about 59342.4219256343. The cubic root of 3521523040 is about 1521.4003484540.

Adding to 3521523040 its reverse (403251253), we get a palindrome (3924774293).

The spelling of 3521523040 in words is "three billion, five hundred twenty-one million, five hundred twenty-three thousand, forty".