1448308391512 has 32 divisors (see below), whose sum is σ = 2858762055600. Its totient is φ = 685978740864.

The previous prime is 1448308391429. The next prime is 1448308391513. The reversal of 1448308391512 is 2151938038441.

It is a happy number.

It is a super-2 number, since 2×1448308391512² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1448308391513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1276458 + ... + 2127430.

Almost surely, 2^{1448308391512} is an apocalyptic number.

It is an amenable number.

1448308391512 is a deficient number, since it is larger than the sum of its proper divisors (1410453664088).

1448308391512 is a wasteful number, since it uses less digits than its factorization.

1448308391512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862195 (or 862191 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 49.

The spelling of 1448308391512 in words is "one trillion, four hundred forty-eight billion, three hundred eight million, three hundred ninety-one thousand, five hundred twelve".