4155349444 has 27 divisors (see below), whose sum is σ = 7353767757. Its totient is φ = 2054532864.

The previous prime is 4155349421. The next prime is 4155349507. The reversal of 4155349444 is 4449435514.

The square root of 4155349444 is 64462.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 1006792900 + 3148556544 = 31730^2 + 56112^2 .

It is a super-2 number, since 2×4155349444² = 34533858003502218272, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4155349444.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 21530212 + ... + 21530404.

Almost surely, 2^4155349444 is an apocalyptic number.

4155349444 is the 64462-nd square number.

It is an amenable number.

4155349444 is a deficient number, since it is larger than the sum of its proper divisors (3198418313).

4155349444 is an equidigital number, since it uses as much as digits as its factorization.

4155349444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724 (or 362 counting only the distinct ones).

The product of its digits is 691200, while the sum is 43.

The cubic root of 4155349444 is about 1607.6907655351.

The spelling of 4155349444 in words is "four billion, one hundred fifty-five million, three hundred forty-nine thousand, four hundred forty-four".