242542771500 has 96 divisors (see below), whose sum is σ = 721312091136. Its totient is φ = 63301924800.

The previous prime is 242542771477. The next prime is 242542771511. The reversal of 242542771500 is 5177245242.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1649662 + ... + 1790661.

It is an arithmetic number, because the mean of its divisors is an integer number (7513667616).

Almost surely, 2^242542771500 is an apocalyptic number.

242542771500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242542771500 is an abundant number, since it is smaller than the sum of its proper divisors (478769319636).

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

242542771500 is a wasteful number, since it uses less digits than its factorization.

242542771500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3440392 (or 3440380 counting only the distinct ones).

The product of its (nonzero) digits is 156800, while the sum is 39.

The spelling of 242542771500 in words is "two hundred forty-two billion, five hundred forty-two million, seven hundred seventy-one thousand, five hundred".