4517468640 has 144 divisors (see below), whose sum is σ = 16086234528. Its totient is φ = 1152273408.

The previous prime is 4517468623. The next prime is 4517468647. The reversal of 4517468640 is 468647154.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4517468647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35079 + ... + 101318.

It is an arithmetic number, because the mean of its divisors is an integer number (111709962).

Almost surely, 2^4517468640 is an apocalyptic number.

4517468640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4517468640 is an abundant number, since it is smaller than the sum of its proper divisors (11568765888).

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

4517468640 is a wasteful number, since it uses less digits than its factorization.

4517468640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136441 (or 136430 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 45.

The square root of 4517468640 is about 67212.1167647620. The cubic root of 4517468640 is about 1653.0971689789.

The spelling of 4517468640 in words is "four billion, five hundred seventeen million, four hundred sixty-eight thousand, six hundred forty".