305305032645402 has 32 divisors (see below), whose sum is σ = 618663507098112. Its totient is φ = 100428868573104.

The previous prime is 305305032645377. The next prime is 305305032645421. The reversal of 305305032645402 is 204546230503503.

It is a super-2 number, since 2×305305032645402² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 345140188 + ... + 346023639.

It is an arithmetic number, because the mean of its divisors is an integer number (19333234596816).

Almost surely, 2^{305305032645402} is an apocalyptic number.

305305032645402 is an abundant number, since it is smaller than the sum of its proper divisors (313358474452710).

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

305305032645402 is a wasteful number, since it uses less digits than its factorization.

305305032645402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691164802.

The product of its (nonzero) digits is 1296000, while the sum is 42.

The spelling of 305305032645402 in words is "three hundred five trillion, three hundred five billion, thirty-two million, six hundred forty-five thousand, four hundred two".