242021303210040 has 64 divisors (see below), whose sum is σ = 726066638071200. Its totient is φ = 64538771661312.

The previous prime is 242021303210021. The next prime is 242021303210147. The reversal of 242021303210040 is 40012303120242.

It is a happy number.

It is a super-2 number, since 2×242021303210040² (a number of 30 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29489346 + ... + 36792174.

Almost surely, 2^{242021303210040} is an apocalyptic number.

242021303210040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242021303210040 is an abundant number, since it is smaller than the sum of its proper divisors (484045334861160).

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

242021303210040 is a wasteful number, since it uses less digits than its factorization.

242021303210040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7579016 (or 7579012 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 24.

Adding to 242021303210040 its reverse (40012303120242), we get a palindrome (282033606330282).

The spelling of 242021303210040 in words is "two hundred forty-two trillion, twenty-one billion, three hundred three million, two hundred ten thousand, forty".