3540430020 has 96 divisors (see below), whose sum is σ = 10678026240. Its totient is φ = 873924480.

The previous prime is 3540430009. The next prime is 3540430031. The reversal of 3540430020 is 200340453.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (3540430009) and next prime (3540430031).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1401 + ... + 84159.

It is an arithmetic number, because the mean of its divisors is an integer number (111229440).

Almost surely, 2^3540430020 is an apocalyptic number.

3540430020 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 3540430020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5339013120).

3540430020 is an abundant number, since it is smaller than the sum of its proper divisors (7137596220).

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

3540430020 is a wasteful number, since it uses less digits than its factorization.

3540430020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82825 (or 82823 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 3540430020 is about 59501.5127538788. The cubic root of 3540430020 is about 1524.1182784456.

Adding to 3540430020 its reverse (200340453), we get a palindrome (3740770473).

The spelling of 3540430020 in words is "three billion, five hundred forty million, four hundred thirty thousand, twenty".