4520444240000 has 160 divisors (see below), whose sum is σ = 12119009534940. Its totient is φ = 1669086720000.

The previous prime is 4520444239981. The next prime is 4520444240017. The reversal of 4520444240000 is 424440254.

It can be written as a sum of positive squares in 10 ways, for example, as 2330067919936 + 2190376320064 = 1526456^2 + 1479992^2 .

It is a tau number, because it is divible by the number of its divisors (160).

It is a super-2 number, since 2×4520444240000² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1133291 + ... + 3213290.

Almost surely, 2^{4520444240000} is an apocalyptic number.

4520444240000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4520444240000 is an abundant number, since it is smaller than the sum of its proper divisors (7598565294940).

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

4520444240000 is an equidigital number, since it uses as much as digits as its factorization.

4520444240000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4346628 (or 4346601 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 29.

Adding to 4520444240000 its reverse (424440254), we get a palindrome (4520868680254).

The spelling of 4520444240000 in words is "four trillion, five hundred twenty billion, four hundred forty-four million, two hundred forty thousand".