505213042023442 has 16 divisors (see below), whose sum is σ = 782319722284800. Its totient is φ = 244440933905520.

The previous prime is 505213042023427. The next prime is 505213042023461. The reversal of 505213042023442 is 244320240312505.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 282261592 + ... + 284045827.

It is an arithmetic number, because the mean of its divisors is an integer number (48894982642800).

Almost surely, 2^{505213042023442} is an apocalyptic number.

505213042023442 is a deficient number, since it is larger than the sum of its proper divisors (277106680261358).

505213042023442 is a wasteful number, since it uses less digits than its factorization.

505213042023442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 566321841.

The product of its (nonzero) digits is 230400, while the sum is 37.

Adding to 505213042023442 its reverse (244320240312505), we get a palindrome (749533282335947).

The spelling of 505213042023442 in words is "five hundred five trillion, two hundred thirteen billion, forty-two million, twenty-three thousand, four hundred forty-two".