3453435216 has 640 divisors, whose sum is σ = 13576273920. Its totient is φ = 812851200.

The previous prime is 3453435173. The next prime is 3453435229. The reversal of 3453435216 is 6125343543.

3453435216 is a `hidden beast` number, since 3 + 4 + 5 + 3 + 435 + 216 = 666.

It is a super-2 number, since 2×3453435216² = 23852429582217933312, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 17530030 + ... + 17530226.

It is an arithmetic number, because the mean of its divisors is an integer number (21212928).

Almost surely, 2^3453435216 is an apocalyptic number.

3453435216 is a gapful number since it is divisible by the number (36) 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 3453435216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6788136960).

3453435216 is an abundant number, since it is smaller than the sum of its proper divisors (10122838704).

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

3453435216 is a wasteful number, since it uses less digits than its factorization.

3453435216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 280 (or 268 counting only the distinct ones).

The product of its digits is 129600, while the sum is 36.

The square root of 3453435216 is about 58765.9358472236. The cubic root of 3453435216 is about 1511.5311597519.

Adding to 3453435216 its reverse (6125343543), we get a palindrome (9578778759).

The spelling of 3453435216 in words is "three billion, four hundred fifty-three million, four hundred thirty-five thousand, two hundred sixteen".