242281517520280 has 48 divisors (see below), whose sum is σ = 634134788208720. Its totient is φ = 83067948863424.

The previous prime is 242281517520269. The next prime is 242281517520281. The reversal of 242281517520280 is 82025715182242.

It is a super-2 number, since 2×242281517520280² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242281517520281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 61806507612 + ... + 61806511531.

It is an arithmetic number, because the mean of its divisors is an integer number (13211141421015).

Almost surely, 2^{242281517520280} is an apocalyptic number.

242281517520280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242281517520280 is an abundant number, since it is smaller than the sum of its proper divisors (391853270688440).

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

242281517520280 is a wasteful number, since it uses less digits than its factorization.

242281517520280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123613019168 (or 123613019157 counting only the distinct ones).

The product of its (nonzero) digits is 1433600, while the sum is 49.

The spelling of 242281517520280 in words is "two hundred forty-two trillion, two hundred eighty-one billion, five hundred seventeen million, five hundred twenty thousand, two hundred eighty".