1446365397820 has 48 divisors (see below), whose sum is σ = 3542119358400. Its totient is φ = 495896705472.

The previous prime is 1446365397773. The next prime is 1446365397833. The reversal of 1446365397820 is 287935636441.

It is a super-2 number, since 2×1446365397820² (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 15 ways as a sum of consecutive naturals, for example, 105413359 + ... + 105427078.

It is an arithmetic number, because the mean of its divisors is an integer number (73794153300).

It is a 1-persistent number, because it is pandigital, but 2⋅1446365397820 = 2892730795640 is not.

Almost surely, 2^{1446365397820} is an apocalyptic number.

1446365397820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1446365397820 is an abundant number, since it is smaller than the sum of its proper divisors (2095753960580).

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

1446365397820 is a wasteful number, since it uses less digits than its factorization.

1446365397820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210840467 (or 210840451 counting only the distinct ones).

The product of its (nonzero) digits is 26127360, while the sum is 58.

The spelling of 1446365397820 in words is "one trillion, four hundred forty-six billion, three hundred sixty-five million, three hundred ninety-seven thousand, eight hundred twenty".