30243520343040 has 176 divisors, whose sum is σ = 96798655020768. Its totient is φ = 8059382267904.

The previous prime is 30243520343033. The next prime is 30243520343063. The reversal of 30243520343040 is 4034302534203.

It is a junction number, because it is equal to n+sod(n) for n = 30243520342992 and 30243520343010.

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, 21640524 + ... + 22995636.

Almost surely, 2^{30243520343040} is an apocalyptic number.

30243520343040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 30243520343040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (48399327510384).

30243520343040 is an abundant number, since it is smaller than the sum of its proper divisors (66555134677728).

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

30243520343040 is a wasteful number, since it uses less digits than its factorization.

30243520343040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1356594 (or 1356576 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 33.

Adding to 30243520343040 its reverse (4034302534203), we get a palindrome (34277822877243).

The spelling of 30243520343040 in words is "thirty trillion, two hundred forty-three billion, five hundred twenty million, three hundred forty-three thousand, forty".