44405400000012 has 48 divisors (see below), whose sum is σ = 103922404814592. Its totient is φ = 14757595858240.

The previous prime is 44405399999957. The next prime is 44405400000023. The reversal of 44405400000012 is 21000000450444.

It is a happy number.

It is a super-2 number, since 2×44405400000012² (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 15 ways as a sum of consecutive naturals, for example, 3263593 + ... + 9973055.

It is an arithmetic number, because the mean of its divisors is an integer number (2165050100304).

Almost surely, 2^{44405400000012} is an apocalyptic number.

It is an amenable number.

44405400000012 is an abundant number, since it is smaller than the sum of its proper divisors (59517004814580).

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

44405400000012 is a wasteful number, since it uses less digits than its factorization.

44405400000012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6711118 (or 6711116 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 24.

Adding to 44405400000012 its reverse (21000000450444), we get a palindrome (65405400450456).

The spelling of 44405400000012 in words is "forty-four trillion, four hundred five billion, four hundred million, twelve", and thus it is an aban number.