3340346520 has 128 divisors (see below), whose sum is σ = 11464934400. Its totient is φ = 762686976.

The previous prime is 3340346497. The next prime is 3340346543. The reversal of 3340346520 is 256430433.

It is an interprime number because it is at equal distance from previous prime (3340346497) and next prime (3340346543).

It is a super-2 number, since 2×3340346520² = 22315829747352220800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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, 1146826 + ... + 1149734.

It is an arithmetic number, because the mean of its divisors is an integer number (89569800).

Almost surely, 2^3340346520 is an apocalyptic number.

3340346520 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 3340346520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5732467200).

3340346520 is an abundant number, since it is smaller than the sum of its proper divisors (8124587880).

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

3340346520 is a wasteful number, since it uses less digits than its factorization.

3340346520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4297 (or 4293 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 30.

The square root of 3340346520 is about 57795.7309842172. The cubic root of 3340346520 is about 1494.8484792541.

Adding to 3340346520 its reverse (256430433), we get a palindrome (3596776953).

The spelling of 3340346520 in words is "three billion, three hundred forty million, three hundred forty-six thousand, five hundred twenty".