4546221405620 has 24 divisors (see below), whose sum is σ = 9553028207688. Its totient is φ = 1817352704000.

The previous prime is 4546221405619. The next prime is 4546221405623. The reversal of 4546221405620 is 265041226454.

It can be written as a sum of positive squares in 4 ways, for example, as 3507477226276 + 1038744179344 = 1872826^2 + 1019188^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4546221405623) 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, 70958321 + ... + 71022360.

It is an arithmetic number, because the mean of its divisors is an integer number (398042841987).

Almost surely, 2^{4546221405620} is an apocalyptic number.

It is an amenable number.

4546221405620 is an abundant number, since it is smaller than the sum of its proper divisors (5006806802068).

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

4546221405620 is a wasteful number, since it uses less digits than its factorization.

4546221405620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141982291 (or 141982289 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 41.

The spelling of 4546221405620 in words is "four trillion, five hundred forty-six billion, two hundred twenty-one million, four hundred five thousand, six hundred twenty".