4944445154 has 16 divisors (see below), whose sum is σ = 8243570880. Its totient is φ = 2205069360.

The previous prime is 4944445141. The next prime is 4944445157. The reversal of 4944445154 is 4515444494.

It is not an unprimeable number, because it can be changed into a prime (4944445157) 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, 2119094 + ... + 2121425.

It is an arithmetic number, because the mean of its divisors is an integer number (515223180).

Almost surely, 2^4944445154 is an apocalyptic number.

4944445154 is a deficient number, since it is larger than the sum of its proper divisors (3299125726).

4944445154 is a wasteful number, since it uses less digits than its factorization.

4944445154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4240585.

The product of its digits is 921600, while the sum is 44.

The square root of 4944445154 is about 70316.7487445203. The cubic root of 4944445154 is about 1703.6191815882.

The spelling of 4944445154 in words is "four billion, nine hundred forty-four million, four hundred forty-five thousand, one hundred fifty-four".