305442040134 has 64 divisors (see below), whose sum is σ = 761807093760. Its totient is φ = 79316284320.

The previous prime is 305442040109. The next prime is 305442040159. The reversal of 305442040134 is 431040244503.

It is an interprime number because it is at equal distance from previous prime (305442040109) and next prime (305442040159).

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 31 ways as a sum of consecutive naturals, for example, 1870827 + ... + 2027529.

It is an arithmetic number, because the mean of its divisors is an integer number (11903235840).

Almost surely, 2^305442040134 is an apocalyptic number.

305442040134 is an abundant number, since it is smaller than the sum of its proper divisors (456365053626).

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

305442040134 is a wasteful number, since it uses less digits than its factorization.

305442040134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160945.

The product of its (nonzero) digits is 23040, while the sum is 30.

Adding to 305442040134 its reverse (431040244503), we get a palindrome (736482284637).

The spelling of 305442040134 in words is "three hundred five billion, four hundred forty-two million, forty thousand, one hundred thirty-four".