4520051645420 has 48 divisors (see below), whose sum is σ = 9501105309696. Its totient is φ = 1806307800000.

The previous prime is 4520051645359. The next prime is 4520051645423. The reversal of 4520051645420 is 245461500254.

It is not an unprimeable number, because it can be changed into a prime (4520051645423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95434745 + ... + 95482095.

It is an arithmetic number, because the mean of its divisors is an integer number (197939693952).

Almost surely, 2^{4520051645420} is an apocalyptic number.

It is an amenable number.

4520051645420 is an abundant number, since it is smaller than the sum of its proper divisors (4981053664276).

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

4520051645420 is a wasteful number, since it uses less digits than its factorization.

4520051645420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51782 (or 51780 counting only the distinct ones).

The product of its (nonzero) digits is 192000, while the sum is 38.

The spelling of 4520051645420 in words is "four trillion, five hundred twenty billion, fifty-one million, six hundred forty-five thousand, four hundred twenty".