3550340400 has 120 divisors (see below), whose sum is σ = 11529001680. Its totient is φ = 933765120.

The previous prime is 3550340293. The next prime is 3550340411. The reversal of 3550340400 is 40430553.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (120).

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 23 ways as a sum of consecutive naturals, for example, 67336 + ... + 107864.

It is an arithmetic number, because the mean of its divisors is an integer number (96075014).

Almost surely, 2^3550340400 is an apocalyptic number.

3550340400 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 3550340400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5764500840).

3550340400 is an abundant number, since it is smaller than the sum of its proper divisors (7978661280).

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

3550340400 is a wasteful number, since it uses less digits than its factorization.

3550340400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40623 (or 40612 counting only the distinct ones).

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

The square root of 3550340400 is about 59584.7329439346. The cubic root of 3550340400 is about 1525.5390587362.

Adding to 3550340400 its reverse (40430553), we get a palindrome (3590770953).

The spelling of 3550340400 in words is "three billion, five hundred fifty million, three hundred forty thousand, four hundred".