305520345042 has 32 divisors (see below), whose sum is σ = 667646337024. Its totient is φ = 92435187600.

The previous prime is 305520345041. The next prime is 305520345043. The reversal of 305520345042 is 240543025503.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (305520345041) and next prime (305520345043).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 305520344994 and 305520345012.

It is not an unprimeable number, because it can be changed into a prime (305520345041) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3626418 + ... + 3709709.

It is an arithmetic number, because the mean of its divisors is an integer number (20863948032).

Almost surely, 2^305520345042 is an apocalyptic number.

305520345042 is an abundant number, since it is smaller than the sum of its proper divisors (362125991982).

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

305520345042 is a wasteful number, since it uses less digits than its factorization.

305520345042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7336774.

The product of its (nonzero) digits is 72000, while the sum is 33.

The spelling of 305520345042 in words is "three hundred five billion, five hundred twenty million, three hundred forty-five thousand, forty-two".