351330240040 has 96 divisors (see below), whose sum is σ = 868034880000. Its totient is φ = 127894690560.

The previous prime is 351330240031. The next prime is 351330240047. The reversal of 351330240040 is 40042033153.

It is a junction number, because it is equal to n+sod(n) for n = 351330239987 and 351330240014.

It is not an unprimeable number, because it can be changed into a prime (351330240047) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 113961 + ... + 845959.

It is an arithmetic number, because the mean of its divisors is an integer number (9042030000).

Almost surely, 2^351330240040 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 351330240040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (434017440000).

351330240040 is an abundant number, since it is smaller than the sum of its proper divisors (516704639960).

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

351330240040 is a wasteful number, since it uses less digits than its factorization.

351330240040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732107 (or 732090 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 25.

Adding to 351330240040 its reverse (40042033153), we get a palindrome (391372273193).

The spelling of 351330240040 in words is "three hundred fifty-one billion, three hundred thirty million, two hundred forty thousand, forty".