4449491155 has 8 divisors (see below), whose sum is σ = 5620410000. Its totient is φ = 3372245856.

The previous prime is 4449491153. The next prime is 4449491159. The reversal of 4449491155 is 5511949444.

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

It is not a de Polignac number, because 4449491155 - 2¹ = 4449491153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4449491153) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23418280 + ... + 23418469.

It is an arithmetic number, because the mean of its divisors is an integer number (702551250).

Almost surely, 2^4449491155 is an apocalyptic number.

4449491155 is a deficient number, since it is larger than the sum of its proper divisors (1170918845).

4449491155 is a wasteful number, since it uses less digits than its factorization.

4449491155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46836773.

The product of its digits is 518400, while the sum is 46.

The square root of 4449491155 is about 66704.5062570738. The cubic root of 4449491155 is about 1644.7634604134.

The spelling of 4449491155 in words is "four billion, four hundred forty-nine million, four hundred ninety-one thousand, one hundred fifty-five".