305302661764 has 27 divisors (see below), whose sum is σ = 536358913573. Its totient is φ = 152059558400.

The previous prime is 305302661689. The next prime is 305302661773. The reversal of 305302661764 is 467166203503.

The square root of 305302661764 is 552542.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 275580901764 + 29721760000 = 524958^2 + 172400^2 .

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 305302661764.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 476290884 + ... + 476291524.

Almost surely, 2^305302661764 is an apocalyptic number.

305302661764 is the 552542-nd square number.

It is an amenable number.

305302661764 is a deficient number, since it is larger than the sum of its proper divisors (231056251809).

305302661764 is an frugal number, since it uses more digits than its factorization.

305302661764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148 (or 1074 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 43.

The spelling of 305302661764 in words is "three hundred five billion, three hundred two million, six hundred sixty-one thousand, seven hundred sixty-four".