51295434942 has 32 divisors (see below), whose sum is σ = 108639304704. Its totient is φ = 16090659200.

The previous prime is 51295434941. The next prime is 51295434947. The reversal of 51295434942 is 24943459215.

It is a junction number, because it is equal to n+sod(n) for n = 51295434891 and 51295434900.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51295434941) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 922717 + ... + 976727.

It is an arithmetic number, because the mean of its divisors is an integer number (3394978272).

Almost surely, 2^51295434942 is an apocalyptic number.

51295434942 is an abundant number, since it is smaller than the sum of its proper divisors (57343869762).

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

51295434942 is a wasteful number, since it uses less digits than its factorization.

51295434942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63344.

The product of its digits is 1555200, while the sum is 48.

The spelling of 51295434942 in words is "fifty-one billion, two hundred ninety-five million, four hundred thirty-four thousand, nine hundred forty-two".