4656644683520 has 72 divisors (see below), whose sum is σ = 11156327489664. Its totient is φ = 1862289108992.

The previous prime is 4656644683519. The next prime is 4656644683541. The reversal of 4656644683520 is 253864466564.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4656644683520.

It is a congruent number.

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, 6153782 + ... + 6868938.

It is an arithmetic number, because the mean of its divisors is an integer number (154948992912).

Almost surely, 2^{4656644683520} is an apocalyptic number.

4656644683520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4656644683520 is an abundant number, since it is smaller than the sum of its proper divisors (6499682806144).

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

4656644683520 is an equidigital number, since it uses as much as digits as its factorization.

4656644683520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 720265 (or 720251 counting only the distinct ones).

The product of its (nonzero) digits is 99532800, while the sum is 59.

The spelling of 4656644683520 in words is "four trillion, six hundred fifty-six billion, six hundred forty-four million, six hundred eighty-three thousand, five hundred twenty".