4049217648 has 80 divisors (see below), whose sum is σ = 13283157760. Its totient is φ = 1156918464.

The previous prime is 4049217647. The next prime is 4049217659. The reversal of 4049217648 is 8467129404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4049217647) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 666490 + ... + 672537.

It is an arithmetic number, because the mean of its divisors is an integer number (166039472).

Almost surely, 2^4049217648 is an apocalyptic number.

4049217648 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4049217648 is an abundant number, since it is smaller than the sum of its proper divisors (9233940112).

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

4049217648 is a wasteful number, since it uses less digits than its factorization.

4049217648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339051 (or 1339039 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 4049217648 is about 63633.4632720866. The cubic root of 4049217648 is about 1593.8852085152.

The spelling of 4049217648 in words is "four billion, forty-nine million, two hundred seventeen thousand, six hundred forty-eight".