4985672144 has 20 divisors (see below), whose sum is σ = 10227960324. Its totient is φ = 2346198528.

The previous prime is 4985672117. The next prime is 4985672183. The reversal of 4985672144 is 4412765894.

It can be written as a sum of positive squares in 2 ways, for example, as 3037332544 + 1948339600 = 55112^2 + 44140^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4985672092 and 4985672101.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9164567 + ... + 9165110.

Almost surely, 2^4985672144 is an apocalyptic number.

It is an amenable number.

4985672144 is an abundant number, since it is smaller than the sum of its proper divisors (5242288180).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4985672144 is a wasteful number, since it uses less digits than its factorization.

4985672144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18329702 (or 18329696 counting only the distinct ones).

The product of its digits is 1935360, while the sum is 50.

The square root of 4985672144 is about 70609.2921930251. The cubic root of 4985672144 is about 1708.3410314170.

The spelling of 4985672144 in words is "four billion, nine hundred eighty-five million, six hundred seventy-two thousand, one hundred forty-four".