3520535032 has 64 divisors (see below), whose sum is σ = 8046371520. Its totient is φ = 1409630208.

The previous prime is 3520534991. The next prime is 3520535077. The reversal of 3520535032 is 2305350253.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116928 + ... + 143920.

It is an arithmetic number, because the mean of its divisors is an integer number (125724555).

Almost surely, 2^3520535032 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3520535032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4023185760).

3520535032 is an abundant number, since it is smaller than the sum of its proper divisors (4525836488).

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

3520535032 is a wasteful number, since it uses less digits than its factorization.

3520535032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27160 (or 27156 counting only the distinct ones).

The product of its (nonzero) digits is 13500, while the sum is 28.

The square root of 3520535032 is about 59334.0967066998. The cubic root of 3520535032 is about 1521.2580524174.

Adding to 3520535032 its reverse (2305350253), we get a palindrome (5825885285).

The spelling of 3520535032 in words is "three billion, five hundred twenty million, five hundred thirty-five thousand, thirty-two".