3420143232 has 128 divisors (see below), whose sum is σ = 10493841600. Its totient is φ = 975421440.

The previous prime is 3420143197. The next prime is 3420143257. The reversal of 3420143232 is 2323410243.

It is a tau number, because it is divible by the number of its divisors (128).

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

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, 47994 + ... + 95622.

Almost surely, 2^3420143232 is an apocalyptic number.

3420143232 is a gapful number since it is divisible by the number (32) 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 3420143232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5246920800).

3420143232 is an abundant number, since it is smaller than the sum of its proper divisors (7073698368).

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

3420143232 is a wasteful number, since it uses less digits than its factorization.

3420143232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47674 (or 47662 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 3420143232 is about 58481.9906637932. The cubic root of 3420143232 is about 1506.6582872986.

Adding to 3420143232 its reverse (2323410243), we get a palindrome (5743553475).

The spelling of 3420143232 in words is "three billion, four hundred twenty million, one hundred forty-three thousand, two hundred thirty-two".