242354013023540 has 96 divisors (see below), whose sum is σ = 584465828083200. Its totient is φ = 83485637089920.

The previous prime is 242354013023537. The next prime is 242354013023557. The reversal of 242354013023540 is 45320310453242.

It is a super-2 number, since 2×242354013023540² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 242354013023494 and 242354013023503.

It is a congruent 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, 72378071 + ... + 75652449.

It is an arithmetic number, because the mean of its divisors is an integer number (6088185709200).

Almost surely, 2^{242354013023540} is an apocalyptic number.

242354013023540 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242354013023540 is an abundant number, since it is smaller than the sum of its proper divisors (342111815059660).

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

242354013023540 is a wasteful number, since it uses less digits than its factorization.

242354013023540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3292125 (or 3292123 counting only the distinct ones).

The product of its (nonzero) digits is 345600, while the sum is 38.

Adding to 242354013023540 its reverse (45320310453242), we get a palindrome (287674323476782).

The spelling of 242354013023540 in words is "two hundred forty-two trillion, three hundred fifty-four billion, thirteen million, twenty-three thousand, five hundred forty".