242173137500 has 72 divisors (see below), whose sum is σ = 605394314784. Its totient is φ = 83030760000.

The previous prime is 242173137497. The next prime is 242173137511. The reversal of 242173137500 is 5731371242.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1296347 + ... + 1471346.

It is an arithmetic number, because the mean of its divisors is an integer number (8408254372).

Almost surely, 2^242173137500 is an apocalyptic number.

242173137500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242173137500 is an abundant number, since it is smaller than the sum of its proper divisors (363221177284).

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

242173137500 is an equidigital number, since it uses as much as digits as its factorization.

242173137500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2767729 (or 2767707 counting only the distinct ones).

The product of its (nonzero) digits is 35280, while the sum is 35.

The spelling of 242173137500 in words is "two hundred forty-two billion, one hundred seventy-three million, one hundred thirty-seven thousand, five hundred".