308500520042 has 32 divisors (see below), whose sum is σ = 549759752640. Its totient is φ = 127986376320.

The previous prime is 308500519933. The next prime is 308500520059. The reversal of 308500520042 is 240025005803.

It is a junction number, because it is equal to n+sod(n) for n = 308500519987 and 308500520014.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6034508 + ... + 6085415.

It is an arithmetic number, because the mean of its divisors is an integer number (17179992270).

Almost surely, 2^308500520042 is an apocalyptic number.

308500520042 is a deficient number, since it is larger than the sum of its proper divisors (241259232598).

308500520042 is a wasteful number, since it uses less digits than its factorization.

308500520042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12120038.

The product of its (nonzero) digits is 9600, while the sum is 29.

Adding to 308500520042 its reverse (240025005803), we get a palindrome (548525525845).

The spelling of 308500520042 in words is "three hundred eight billion, five hundred million, five hundred twenty thousand, forty-two".