3550144690 has 8 divisors (see below), whose sum is σ = 6390260460. Its totient is φ = 1420057872.

The previous prime is 3550144643. The next prime is 3550144693. The reversal of 3550144690 is 964410553.

It can be written as a sum of positive squares in 2 ways, for example, as 3279509289 + 270635401 = 57267^2 + 16451^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×3550144690² = 25207054639870392200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (3550144693) 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 3 ways as a sum of consecutive naturals, for example, 177507225 + ... + 177507244.

Almost surely, 2^3550144690 is an apocalyptic number.

3550144690 is a deficient number, since it is larger than the sum of its proper divisors (2840115770).

3550144690 is a wasteful number, since it uses less digits than its factorization.

3550144690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 355014476.

The product of its (nonzero) digits is 64800, while the sum is 37.

The square root of 3550144690 is about 59583.0906382004. The cubic root of 3550144690 is about 1525.5110268011.

It can be divided in two parts, 3550 and 144690, that added together give a triangular number (148240 = T₅₄₄).

The spelling of 3550144690 in words is "three billion, five hundred fifty million, one hundred forty-four thousand, six hundred ninety".