3453042120 has 128 divisors (see below), whose sum is σ = 11324810880. Its totient is φ = 835328000.

The previous prime is 3453042101. The next prime is 3453042127. The reversal of 3453042120 is 212403543.

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

It is not an unprimeable number, because it can be changed into a prime (3453042127) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 685210 + ... + 690230.

It is an arithmetic number, because the mean of its divisors is an integer number (88475085).

Almost surely, 2^3453042120 is an apocalyptic number.

3453042120 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 3453042120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5662405440).

3453042120 is an abundant number, since it is smaller than the sum of its proper divisors (7871768760).

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

3453042120 is a wasteful number, since it uses less digits than its factorization.

3453042120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5567 (or 5563 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 3453042120 is about 58762.5911613843. The cubic root of 3453042120 is about 1511.4738062897.

Adding to 3453042120 its reverse (212403543), we get a palindrome (3665445663).

The spelling of 3453042120 in words is "three billion, four hundred fifty-three million, forty-two thousand, one hundred twenty".