4815229740172 has 24 divisors (see below), whose sum is σ = 8586499446000. Its totient is φ = 2361953221056.

The previous prime is 4815229740163. The next prime is 4815229740271. The reversal of 4815229740172 is 2710479225184.

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, 1016454 + ... + 3265522.

It is an arithmetic number, because the mean of its divisors is an integer number (357770810250).

Almost surely, 2^{4815229740172} is an apocalyptic number.

It is an amenable number.

4815229740172 is a deficient number, since it is larger than the sum of its proper divisors (3771269705828).

4815229740172 is a wasteful number, since it uses less digits than its factorization.

4815229740172 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2259225 (or 2259223 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 52.

The spelling of 4815229740172 in words is "four trillion, eight hundred fifteen billion, two hundred twenty-nine million, seven hundred forty thousand, one hundred seventy-two".