3420350520 has 64 divisors (see below), whose sum is σ = 10429287840. Its totient is φ = 897139200.

The previous prime is 3420350519. The next prime is 3420350543. The reversal of 3420350520 is 250530243.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 226311 + ... + 240950.

Almost surely, 2^3420350520 is an apocalyptic number.

3420350520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3420350520 is an abundant number, since it is smaller than the sum of its proper divisors (7008937320).

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

3420350520 is a wasteful number, since it uses less digits than its factorization.

3420350520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467336 (or 467332 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 24.

The square root of 3420350520 is about 58483.7628748356. The cubic root of 3420350520 is about 1506.6887251928.

Adding to 3420350520 its reverse (250530243), we get a palindrome (3670880763).

The spelling of 3420350520 in words is "three billion, four hundred twenty million, three hundred fifty thousand, five hundred twenty".