1478172196488 has 32 divisors (see below), whose sum is σ = 3979694376000. Its totient is φ = 454822214208.

The previous prime is 1478172196451. The next prime is 1478172196513. The reversal of 1478172196488 is 8846912718741.

It is a happy number.

It is a Smith number, since the sum of its digits (66) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2368865388 + ... + 2368866011.

It is an arithmetic number, because the mean of its divisors is an integer number (124365449250).

Almost surely, 2^{1478172196488} is an apocalyptic number.

It is an amenable number.

1478172196488 is an abundant number, since it is smaller than the sum of its proper divisors (2501522179512).

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

1478172196488 is a wasteful number, since it uses less digits than its factorization.

1478172196488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4737731421 (or 4737731417 counting only the distinct ones).

The product of its digits is 43352064, while the sum is 66.

The spelling of 1478172196488 in words is "one trillion, four hundred seventy-eight billion, one hundred seventy-two million, one hundred ninety-six thousand, four hundred eighty-eight".