305378675520 has 56 divisors (see below), whose sum is σ = 969577297824. Its totient is φ = 81434313216.

The previous prime is 305378675501. The next prime is 305378675531. The reversal of 305378675520 is 25576873503.

It is a super-2 number, since 2×305378675520² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 159050434 + ... + 159052353.

Almost surely, 2^305378675520 is an apocalyptic number.

305378675520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

305378675520 is an abundant number, since it is smaller than the sum of its proper divisors (664198622304).

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

305378675520 is a wasteful number, since it uses less digits than its factorization.

305378675520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 318102807 (or 318102797 counting only the distinct ones).

The product of its (nonzero) digits is 5292000, while the sum is 51.

The spelling of 305378675520 in words is "three hundred five billion, three hundred seventy-eight million, six hundred seventy-five thousand, five hundred twenty".