1445512968240 has 80 divisors (see below), whose sum is σ = 4888462046976. Its totient is φ = 350427385600.

The previous prime is 1445512968239. The next prime is 1445512968241. The reversal of 1445512968240 is 428692155441.

It is an interprime number because it is at equal distance from previous prime (1445512968239) and next prime (1445512968241).

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (1445512968241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 273768756 + ... + 273774035.

Almost surely, 2^{1445512968240} is an apocalyptic number.

1445512968240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1445512968240 is an abundant number, since it is smaller than the sum of its proper divisors (3442949078736).

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

1445512968240 is a wasteful number, since it uses less digits than its factorization.

1445512968240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 547542818 (or 547542812 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 51.

The spelling of 1445512968240 in words is "one trillion, four hundred forty-five billion, five hundred twelve million, nine hundred sixty-eight thousand, two hundred forty".