305240532532 has 96 divisors (see below), whose sum is σ = 589840392960. Its totient is φ = 137354542080.

The previous prime is 305240532503. The next prime is 305240532533. The reversal of 305240532532 is 235235042503.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305240532533) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 222315798 + ... + 222317170.

It is an arithmetic number, because the mean of its divisors is an integer number (6144170760).

Almost surely, 2^305240532532 is an apocalyptic number.

It is an amenable number.

305240532532 is a deficient number, since it is larger than the sum of its proper divisors (284599860428).

305240532532 is a wasteful number, since it uses less digits than its factorization.

305240532532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1993 (or 1991 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 34.

The spelling of 305240532532 in words is "three hundred five billion, two hundred forty million, five hundred thirty-two thousand, five hundred thirty-two".