51000433042 has 16 divisors (see below), whose sum is σ = 86721384960. Its totient is φ = 22299784272.

The previous prime is 51000432937. The next prime is 51000433049. The reversal of 51000433042 is 24033400015.

It is not an unprimeable number, because it can be changed into a prime (51000433049) by changing a digit.

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, 51619378 + ... + 51620365.

It is an arithmetic number, because the mean of its divisors is an integer number (5420086560).

Almost surely, 2^51000433042 is an apocalyptic number.

51000433042 is a deficient number, since it is larger than the sum of its proper divisors (35720951918).

51000433042 is a wasteful number, since it uses less digits than its factorization.

51000433042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103239777.

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 51000433042 its reverse (24033400015), we get a palindrome (75033833057).

The spelling of 51000433042 in words is "fifty-one billion, four hundred thirty-three thousand, forty-two".