3527481520 has 20 divisors (see below), whose sum is σ = 8201394720. Its totient is φ = 1410992576.

The previous prime is 3527481511. The next prime is 3527481541. The reversal of 3527481520 is 251847253.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 3527481520.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22046680 + ... + 22046839.

It is an arithmetic number, because the mean of its divisors is an integer number (410069736).

Almost surely, 2^3527481520 is an apocalyptic number.

It is an amenable number.

3527481520 is an abundant number, since it is smaller than the sum of its proper divisors (4673913200).

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

3527481520 is a wasteful number, since it uses less digits than its factorization.

3527481520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44093532 (or 44093526 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 3527481520 is about 59392.6049268762. The cubic root of 3527481520 is about 1522.2579438183.

The spelling of 3527481520 in words is "three billion, five hundred twenty-seven million, four hundred eighty-one thousand, five hundred twenty".