305415450420 has 48 divisors (see below), whose sum is σ = 855189135360. Its totient is φ = 81441655936.

The previous prime is 305415450419. The next prime is 305415450449. The reversal of 305415450420 is 24054514503.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2828749 + ... + 2934731.

It is an arithmetic number, because the mean of its divisors is an integer number (17816440320).

Almost surely, 2^305415450420 is an apocalyptic number.

305415450420 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

305415450420 is an abundant number, since it is smaller than the sum of its proper divisors (549773684940).

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

305415450420 is a wasteful number, since it uses less digits than its factorization.

305415450420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154024 (or 154022 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

Adding to 305415450420 its reverse (24054514503), we get a palindrome (329469964923).

It can be divided in two parts, 305415 and 450420, that added together give a triangular number (755835 = T₁₂₂₉).

The spelling of 305415450420 in words is "three hundred five billion, four hundred fifteen million, four hundred fifty thousand, four hundred twenty".