1448704705478 has 8 divisors (see below), whose sum is σ = 2209888533960. Its totient is φ = 712075194160.

The previous prime is 1448704705477. The next prime is 1448704705489. The reversal of 1448704705478 is 8745074078441.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (59).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1448704705471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6138579143 + ... + 6138579378.

It is an arithmetic number, because the mean of its divisors is an integer number (276236066745).

Almost surely, 2^{1448704705478} is an apocalyptic number.

1448704705478 is a deficient number, since it is larger than the sum of its proper divisors (761183828482).

1448704705478 is a wasteful number, since it uses less digits than its factorization.

1448704705478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12277158582.

The product of its (nonzero) digits is 28098560, while the sum is 59.

The spelling of 1448704705478 in words is "one trillion, four hundred forty-eight billion, seven hundred four million, seven hundred five thousand, four hundred seventy-eight".