4544312636420 has 48 divisors (see below), whose sum is σ = 9663804154368. Its totient is φ = 1794823593600.

The previous prime is 4544312636407. The next prime is 4544312636429. The reversal of 4544312636420 is 246362134454.

It is a happy number.

It is a super-2 number, since 2×4544312636420² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (4544312636429) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2323592 + ... + 3806271.

It is an arithmetic number, because the mean of its divisors is an integer number (201329253216).

Almost surely, 2^{4544312636420} is an apocalyptic number.

It is an amenable number.

4544312636420 is an abundant number, since it is smaller than the sum of its proper divisors (5119491517948).

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

4544312636420 is a wasteful number, since it uses less digits than its factorization.

4544312636420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6130340 (or 6130338 counting only the distinct ones).

The product of its (nonzero) digits is 1658880, while the sum is 44.

The spelling of 4544312636420 in words is "four trillion, five hundred forty-four billion, three hundred twelve million, six hundred thirty-six thousand, four hundred twenty".