3530352420 has 144 divisors (see below), whose sum is σ = 12267335808. Its totient is φ = 805040640.

The previous prime is 3530352377. The next prime is 3530352421. The reversal of 3530352420 is 242530353.

3530352420 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (3530352421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 572755 + ... + 578885.

It is an arithmetic number, because the mean of its divisors is an integer number (85189832).

Almost surely, 2^3530352420 is an apocalyptic number.

3530352420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3530352420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6133667904).

3530352420 is an abundant number, since it is smaller than the sum of its proper divisors (8736983388).

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

3530352420 is a wasteful number, since it uses less digits than its factorization.

3530352420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6610 (or 6605 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 27.

The square root of 3530352420 is about 59416.7688451669. The cubic root of 3530352420 is about 1522.6708035542.

Adding to 3530352420 its reverse (242530353), we get a palindrome (3772882773).

The spelling of 3530352420 in words is "three billion, five hundred thirty million, three hundred fifty-two thousand, four hundred twenty".