305044155042 has 64 divisors (see below), whose sum is σ = 709024679424. Its totient is φ = 86466320640.

The previous prime is 305044155001. The next prime is 305044155077. The reversal of 305044155042 is 240551440503.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 305044154994 and 305044155012.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 651088 + ... + 1016859.

It is an arithmetic number, because the mean of its divisors is an integer number (11078510616).

Almost surely, 2^305044155042 is an apocalyptic number.

305044155042 is an abundant number, since it is smaller than the sum of its proper divisors (403980524382).

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

305044155042 is a wasteful number, since it uses less digits than its factorization.

305044155042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1668143.

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

Adding to 305044155042 its reverse (240551440503), we get a palindrome (545595595545).

The spelling of 305044155042 in words is "three hundred five billion, forty-four million, one hundred fifty-five thousand, forty-two".