9240142279040 has 256 divisors, whose sum is σ = 24680312496000. Its totient is φ = 3290002096128.

The previous prime is 9240142279037. The next prime is 9240142279111. The reversal of 9240142279040 is 409722410429.

It is a junction number, because it is equal to n+sod(n) for n = 9240142278982 and 9240142279000.

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, 22063916 + ... + 22478804.

Almost surely, 2^{9240142279040} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9240142279040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12340156248000).

9240142279040 is an abundant number, since it is smaller than the sum of its proper divisors (15440170216960).

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

9240142279040 is a wasteful number, since it uses less digits than its factorization.

9240142279040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 415037 (or 415025 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 44.

Adding to 9240142279040 its reverse (409722410429), we get a palindrome (9649864689469).

The spelling of 9240142279040 in words is "nine trillion, two hundred forty billion, one hundred forty-two million, two hundred seventy-nine thousand, forty".