4640217450880 has 64 divisors (see below), whose sum is σ = 12101476211280. Its totient is φ = 1687351797760.

The previous prime is 4640217450859. The next prime is 4640217450887. The reversal of 4640217450880 is 880547120464.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4640217450887) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 329553859 + ... + 329567938.

Almost surely, 2^{4640217450880} is an apocalyptic number.

4640217450880 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4640217450880 is an abundant number, since it is smaller than the sum of its proper divisors (7461258760400).

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

4640217450880 is a wasteful number, since it uses less digits than its factorization.

4640217450880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 659121827 (or 659121815 counting only the distinct ones).

The product of its (nonzero) digits is 1720320, while the sum is 49.

The spelling of 4640217450880 in words is "four trillion, six hundred forty billion, two hundred seventeen million, four hundred fifty thousand, eight hundred eighty".