4521305672420 has 48 divisors (see below), whose sum is σ = 9536406264000. Its totient is φ = 1800601944960.

The previous prime is 4521305672419. The next prime is 4521305672473. The reversal of 4521305672420 is 242765031254.

It is an unprimeable number.

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, 4108355 + ... + 5091285.

It is an arithmetic number, because the mean of its divisors is an integer number (198675130500).

Almost surely, 2^{4521305672420} is an apocalyptic number.

It is an amenable number.

4521305672420 is an abundant number, since it is smaller than the sum of its proper divisors (5015100591580).

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

4521305672420 is a wasteful number, since it uses less digits than its factorization.

4521305672420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 983948 (or 983946 counting only the distinct ones).

The product of its (nonzero) digits is 403200, while the sum is 41.

The spelling of 4521305672420 in words is "four trillion, five hundred twenty-one billion, three hundred five million, six hundred seventy-two thousand, four hundred twenty".