3553434120 has 128 divisors (see below), whose sum is σ = 11003207040. Its totient is φ = 917360640.

The previous prime is 3553434103. The next prime is 3553434121. The reversal of 3553434120 is 214343553.

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

It is not an unprimeable number, because it can be changed into a prime (3553434121) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 934944 + ... + 938736.

It is an arithmetic number, because the mean of its divisors is an integer number (85962555).

Almost surely, 2^3553434120 is an apocalyptic number.

3553434120 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 3553434120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5501603520).

3553434120 is an abundant number, since it is smaller than the sum of its proper divisors (7449772920).

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

3553434120 is a wasteful number, since it uses less digits than its factorization.

3553434120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4055 (or 4051 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 3553434120 is about 59610.6879678468. The cubic root of 3553434120 is about 1525.9820416585.

Adding to 3553434120 its reverse (214343553), we get a palindrome (3767777673).

The spelling of 3553434120 in words is "three billion, five hundred fifty-three million, four hundred thirty-four thousand, one hundred twenty".