44015421201320 has 16 divisors (see below), whose sum is σ = 99034697703060. Its totient is φ = 17606168480512.

The previous prime is 44015421201313. The next prime is 44015421201343. The reversal of 44015421201320 is 2310212451044.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 42531814376164 + 1483606825156 = 6521642^2 + 1218034^2 .

It is a super-2 number, since 2×44015421201320² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 550192764977 + ... + 550192765056.

Almost surely, 2^{44015421201320} is an apocalyptic number.

44015421201320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44015421201320 is an abundant number, since it is smaller than the sum of its proper divisors (55019276501740).

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

44015421201320 is a wasteful number, since it uses less digits than its factorization.

44015421201320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100385530044 (or 1100385530040 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

Adding to 44015421201320 its reverse (2310212451044), we get a palindrome (46325633652364).

The spelling of 44015421201320 in words is "forty-four trillion, fifteen billion, four hundred twenty-one million, two hundred one thousand, three hundred twenty".