3506131444 has 24 divisors (see below), whose sum is σ = 6158565000. Its totient is φ = 1746554880.

The previous prime is 3506131429. The next prime is 3506131501. The reversal of 3506131444 is 4441316053.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 326524900 + 3179606544 = 18070^2 + 56388^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1883074 + ... + 1884934.

It is an arithmetic number, because the mean of its divisors is an integer number (256606875).

Almost surely, 2^3506131444 is an apocalyptic number.

It is an amenable number.

3506131444 is a deficient number, since it is larger than the sum of its proper divisors (2652433556).

3506131444 is a wasteful number, since it uses less digits than its factorization.

3506131444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3363 (or 3361 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 31.

The square root of 3506131444 is about 59212.5953155239. The cubic root of 3506131444 is about 1519.1805722941.

Adding to 3506131444 its reverse (4441316053), we get a palindrome (7947447497).

The spelling of 3506131444 in words is "three billion, five hundred six million, one hundred thirty-one thousand, four hundred forty-four".