4815378195492 has 24 divisors (see below), whose sum is σ = 11236044232000. Its totient is φ = 1605102954336.

The previous prime is 4815378195473. The next prime is 4815378195527. The reversal of 4815378195492 is 2945918735184.

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, 2009992 + ... + 3697407.

Almost surely, 2^{4815378195492} is an apocalyptic number.

It is an amenable number.

4815378195492 is an abundant number, since it is smaller than the sum of its proper divisors (6420666036508).

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

4815378195492 is a wasteful number, since it uses less digits than its factorization.

4815378195492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5777715 (or 5777713 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 66.

The spelling of 4815378195492 in words is "four trillion, eight hundred fifteen billion, three hundred seventy-eight million, one hundred ninety-five thousand, four hundred ninety-two".