4049509164 has 24 divisors (see below), whose sum is σ = 9509042928. Its totient is φ = 1341238080.

The previous prime is 4049509153. The next prime is 4049509171. The reversal of 4049509164 is 4619059404.

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, 1072827 + ... + 1076594.

It is an arithmetic number, because the mean of its divisors is an integer number (396210122).

Almost surely, 2^4049509164 is an apocalyptic number.

It is an amenable number.

4049509164 is an abundant number, since it is smaller than the sum of its proper divisors (5459533764).

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

4049509164 is a wasteful number, since it uses less digits than its factorization.

4049509164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149585 (or 2149583 counting only the distinct ones).

The product of its (nonzero) digits is 155520, while the sum is 42.

The square root of 4049509164 is about 63635.7538181171. The cubic root of 4049509164 is about 1593.9234572117.

The spelling of 4049509164 in words is "four billion, forty-nine million, five hundred nine thousand, one hundred sixty-four".