242144723256040 has 32 divisors (see below), whose sum is σ = 594355229811360. Its totient is φ = 88052626638400.

The previous prime is 242144723256017. The next prime is 242144723256043. The reversal of 242144723256040 is 40652327441242.

It is not an unprimeable number, because it can be changed into a prime (242144723256043) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 275164457806 + ... + 275164458685.

It is an arithmetic number, because the mean of its divisors is an integer number (18573600931605).

Almost surely, 2^{242144723256040} is an apocalyptic number.

242144723256040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242144723256040 is an abundant number, since it is smaller than the sum of its proper divisors (352210506555320).

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

242144723256040 is a wasteful number, since it uses less digits than its factorization.

242144723256040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550328916513 (or 550328916509 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 46.

The spelling of 242144723256040 in words is "two hundred forty-two trillion, one hundred forty-four billion, seven hundred twenty-three million, two hundred fifty-six thousand, forty".