4338654640 has 40 divisors (see below), whose sum is σ = 10113781248. Its totient is φ = 1730918400.

The previous prime is 4338654629. The next prime is 4338654673. The reversal of 4338654640 is 464568334.

It is a tau number, because it is divible by the number of its divisors (40).

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, 40161 + ... + 101440.

Almost surely, 2^4338654640 is an apocalyptic number.

4338654640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4338654640 is an abundant number, since it is smaller than the sum of its proper divisors (5775126608).

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

4338654640 is a wasteful number, since it uses less digits than its factorization.

4338654640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141997 (or 141991 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 43.

The square root of 4338654640 is about 65868.4646853105. The cubic root of 4338654640 is about 1630.9914853080.

The spelling of 4338654640 in words is "four billion, three hundred thirty-eight million, six hundred fifty-four thousand, six hundred forty".