1451444432316 has 12 divisors (see below), whose sum is σ = 3386703675432. Its totient is φ = 483814810768.

The previous prime is 1451444432303. The next prime is 1451444432327. The reversal of 1451444432316 is 6132344441541.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×1451444432316² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 60476851335 + ... + 60476851358.

It is an arithmetic number, because the mean of its divisors is an integer number (282225306286).

Almost surely, 2^{1451444432316} is an apocalyptic number.

It is an amenable number.

1451444432316 is an abundant number, since it is smaller than the sum of its proper divisors (1935259243116).

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

1451444432316 is a wasteful number, since it uses less digits than its factorization.

1451444432316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120953702700 (or 120953702698 counting only the distinct ones).

The product of its digits is 552960, while the sum is 42.

Adding to 1451444432316 its reverse (6132344441541), we get a palindrome (7583788873857).

The spelling of 1451444432316 in words is "one trillion, four hundred fifty-one billion, four hundred forty-four million, four hundred thirty-two thousand, three hundred sixteen".