1445270639020 has 48 divisors (see below), whose sum is σ = 3330205643520. Its totient is φ = 523569735936.

The previous prime is 1445270638991. The next prime is 1445270639039. The reversal of 1445270639020 is 209360725441.

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, 52427100 + ... + 52454659.

It is an arithmetic number, because the mean of its divisors is an integer number (69379284240).

Almost surely, 2^{1445270639020} is an apocalyptic number.

1445270639020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1445270639020 is an abundant number, since it is smaller than the sum of its proper divisors (1884935004500).

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

1445270639020 is a wasteful number, since it uses less digits than its factorization.

1445270639020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104881834 (or 104881832 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 43.

The spelling of 1445270639020 in words is "one trillion, four hundred forty-five billion, two hundred seventy million, six hundred thirty-nine thousand, twenty".