1445564968920 has 96 divisors (see below), whose sum is σ = 4714805646720. Its totient is φ = 384112135680.

The previous prime is 1445564968907. The next prime is 1445564968979. The reversal of 1445564968920 is 298694655441.

1445564968920 is a `hidden beast` number, since 1 + 4 + 4 + 5 + 56 + 496 + 8 + 92 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7043784 + ... + 7246103.

It is an arithmetic number, because the mean of its divisors is an integer number (49112558820).

Almost surely, 2^{1445564968920} is an apocalyptic number.

1445564968920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1445564968920 is an abundant number, since it is smaller than the sum of its proper divisors (3269240677800).

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

1445564968920 is a wasteful number, since it uses less digits than its factorization.

1445564968920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14290185 (or 14290178 counting only the distinct ones).

The product of its (nonzero) digits is 74649600, while the sum is 63.

The spelling of 1445564968920 in words is "one trillion, four hundred forty-five billion, five hundred sixty-four million, nine hundred sixty-eight thousand, nine hundred twenty".