1448111478 has 32 divisors (see below), whose sum is σ = 3161468160. Its totient is φ = 438550560.

The previous prime is 1448111461. The next prime is 1448111479. The reversal of 1448111478 is 8741118441.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1448111479) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 118176 + ... + 129852.

It is an arithmetic number, because the mean of its divisors is an integer number (98795880).

Almost surely, 2^1448111478 is an apocalyptic number.

1448111478 is an abundant number, since it is smaller than the sum of its proper divisors (1713356682).

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

1448111478 is a wasteful number, since it uses less digits than its factorization.

1448111478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13572.

The product of its digits is 28672, while the sum is 39.

The square root of 1448111478 is about 38054.0599410891. The cubic root of 1448111478 is about 1131.3595972162.

The spelling of 1448111478 in words is "one billion, four hundred forty-eight million, one hundred eleven thousand, four hundred seventy-eight".