305245040132 has 192 divisors, whose sum is σ = 636520550400. Its totient is φ = 127003852800.

The previous prime is 305245040129. The next prime is 305245040161. The reversal of 305245040132 is 231040542503.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 305245040095 and 305245040104.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 264739268 + ... + 264740420.

It is an arithmetic number, because the mean of its divisors is an integer number (3315211200).

Almost surely, 2^305245040132 is an apocalyptic number.

It is an amenable number.

305245040132 is an abundant number, since it is smaller than the sum of its proper divisors (331275510268).

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

305245040132 is a wasteful number, since it uses less digits than its factorization.

305245040132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1426 (or 1424 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 305245040132 its reverse (231040542503), we get a palindrome (536285582635).

The spelling of 305245040132 in words is "three hundred five billion, two hundred forty-five million, forty thousand, one hundred thirty-two".