305341240240 has 20 divisors (see below), whose sum is σ = 709918383744. Its totient is φ = 122136496064.

The previous prime is 305341240219. The next prime is 305341240271. The reversal of 305341240240 is 42042143503.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a junction number, because it is equal to n+sod(n) for n = 305341240199 and 305341240208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1908382672 + ... + 1908382831.

Almost surely, 2^305341240240 is an apocalyptic number.

It is an amenable number.

305341240240 is an abundant number, since it is smaller than the sum of its proper divisors (404577143504).

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

305341240240 is a wasteful number, since it uses less digits than its factorization.

305341240240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3816765516 (or 3816765510 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 305341240240 its reverse (42042143503), we get a palindrome (347383383743).

The spelling of 305341240240 in words is "three hundred five billion, three hundred forty-one million, two hundred forty thousand, two hundred forty".