4442215420520 has 32 divisors (see below), whose sum is σ = 9995044700520. Its totient is φ = 1776875500800.

The previous prime is 4442215420471. The next prime is 4442215420541. The reversal of 4442215420520 is 250245122444.

It can be written as a sum of positive squares in 4 ways, for example, as 4240296403204 + 201919017316 = 2059198^2 + 449354^2 .

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, 12825134 + ... + 13166946.

Almost surely, 2^{4442215420520} is an apocalyptic number.

4442215420520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4442215420520 is an abundant number, since it is smaller than the sum of its proper divisors (5552829280000).

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

4442215420520 is a wasteful number, since it uses less digits than its factorization.

4442215420520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 666725 (or 666721 counting only the distinct ones).

The product of its (nonzero) digits is 102400, while the sum is 35.

The spelling of 4442215420520 in words is "four trillion, four hundred forty-two billion, two hundred fifteen million, four hundred twenty thousand, five hundred twenty".