3550274442 has 128 divisors (see below), whose sum is σ = 9568419840. Its totient is φ = 960984000.

The previous prime is 3550274423. The next prime is 3550274449. The reversal of 3550274442 is 2444720553.

3550274442 is a `hidden beast` number, since 3 + 550 + 27 + 44 + 42 = 666.

It is a super-2 number, since 2×3550274442² = 25208897227036822728, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3550274397 and 3550274406.

It is not an unprimeable number, because it can be changed into a prime (3550274449) 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 63 ways as a sum of consecutive naturals, for example, 231967 + ... + 246797.

It is an arithmetic number, because the mean of its divisors is an integer number (74753280).

Almost surely, 2^3550274442 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3550274442, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4784209920).

3550274442 is an abundant number, since it is smaller than the sum of its proper divisors (6018145398).

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

3550274442 is a wasteful number, since it uses less digits than its factorization.

3550274442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14897 (or 14891 counting only the distinct ones).

The product of its (nonzero) digits is 134400, while the sum is 36.

The square root of 3550274442 is about 59584.1794606589. The cubic root of 3550274442 is about 1525.5296115549.

Adding to 3550274442 its reverse (2444720553), we get a palindrome (5994994995).

The spelling of 3550274442 in words is "three billion, five hundred fifty million, two hundred seventy-four thousand, four hundred forty-two".