300405378856 has 16 divisors (see below), whose sum is σ = 614465547840. Its totient is φ = 136547899440.

The previous prime is 300405378811. The next prime is 300405378859. The reversal of 300405378856 is 658873504003.

It is not an unprimeable number, because it can be changed into a prime (300405378859) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1706848656 + ... + 1706848831.

It is an arithmetic number, because the mean of its divisors is an integer number (38404096740).

Almost surely, 2^300405378856 is an apocalyptic number.

It is an amenable number.

300405378856 is an abundant number, since it is smaller than the sum of its proper divisors (314060168984).

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

300405378856 is a wasteful number, since it uses less digits than its factorization.

300405378856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3413697504 (or 3413697500 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 300405378856 in words is "three hundred billion, four hundred five million, three hundred seventy-eight thousand, eight hundred fifty-six".