3435120520 has 64 divisors (see below), whose sum is σ = 8366062320. Its totient is φ = 1261876224.

The previous prime is 3435120463. The next prime is 3435120527. The reversal of 3435120520 is 250215343.

It can be written as a sum of positive squares in 8 ways, for example, as 2420443204 + 1014677316 = 49198^2 + 31854^2 .

It is not an unprimeable number, because it can be changed into a prime (3435120527) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85674 + ... + 119206.

Almost surely, 2^3435120520 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 3435120520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4183031160).

3435120520 is an abundant number, since it is smaller than the sum of its proper divisors (4930941800).

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

3435120520 is a wasteful number, since it uses less digits than its factorization.

3435120520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33754 (or 33750 counting only the distinct ones).

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

The square root of 3435120520 is about 58609.9012113141. The cubic root of 3435120520 is about 1508.8543742332.

Adding to 3435120520 its reverse (250215343), we get a palindrome (3685335863).

The spelling of 3435120520 in words is "three billion, four hundred thirty-five million, one hundred twenty thousand, five hundred twenty".