305249048430 has 32 divisors (see below), whose sum is σ = 732647091744. Its totient is φ = 81394260096.

The previous prime is 305249048399. The next prime is 305249048431. The reversal of 305249048430 is 34840942503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305249048431) 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 15 ways as a sum of consecutive naturals, for example, 119892 + ... + 790488.

It is an arithmetic number, because the mean of its divisors is an integer number (22895221617).

Almost surely, 2^305249048430 is an apocalyptic number.

305249048430 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

305249048430 is an abundant number, since it is smaller than the sum of its proper divisors (427398043314).

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

305249048430 is a wasteful number, since it uses less digits than its factorization.

305249048430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685780.

The product of its (nonzero) digits is 414720, while the sum is 42.

The spelling of 305249048430 in words is "three hundred five billion, two hundred forty-nine million, forty-eight thousand, four hundred thirty".