512023401442 has 16 divisors (see below), whose sum is σ = 878073768000. Its totient is φ = 219358759248.

The previous prime is 512023401397. The next prime is 512023401479. The reversal of 512023401442 is 244104320215.

It is a self number, because there is not a number n which added to its sum of digits gives 512023401442.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6613588 + ... + 6690559.

It is an arithmetic number, because the mean of its divisors is an integer number (54879610500).

Almost surely, 2^512023401442 is an apocalyptic number.

512023401442 is a deficient number, since it is larger than the sum of its proper divisors (366050366558).

512023401442 is a wasteful number, since it uses less digits than its factorization.

512023401442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13306905.

The product of its (nonzero) digits is 7680, while the sum is 28.

Adding to 512023401442 its reverse (244104320215), we get a palindrome (756127721657).

The spelling of 512023401442 in words is "five hundred twelve billion, twenty-three million, four hundred one thousand, four hundred forty-two".