3420254520 has 96 divisors (see below), whose sum is σ = 11142724320. Its totient is φ = 909861120.

The previous prime is 3420254501. The next prime is 3420254557. The reversal of 3420254520 is 254520243.

It is a happy number.

3420254520 is a `hidden beast` number, since 3 + 4 + 202 + 5 + 452 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 140277 + ... + 162843.

It is an arithmetic number, because the mean of its divisors is an integer number (116070045).

Almost surely, 2^3420254520 is an apocalyptic number.

3420254520 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 3420254520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5571362160).

3420254520 is an abundant number, since it is smaller than the sum of its proper divisors (7722469800).

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

3420254520 is a wasteful number, since it uses less digits than its factorization.

3420254520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23005 (or 22998 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

The square root of 3420254520 is about 58482.9421284531. The cubic root of 3420254520 is about 1506.6746288334.

Adding to 3420254520 its reverse (254520243), we get a palindrome (3674774763).

The spelling of 3420254520 in words is "three billion, four hundred twenty million, two hundred fifty-four thousand, five hundred twenty".