51332277042 has 16 divisors (see below), whose sum is σ = 114071726880. Its totient is φ = 17110758996.

The previous prime is 51332277041. The next prime is 51332277077. The reversal of 51332277042 is 24077223315.

51332277042 is a `hidden beast` number, since 51 + 332 + 277 + 0 + 4 + 2 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 51332276988 and 51332277006.

It is not an unprimeable number, because it can be changed into a prime (51332277041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 475298808 + ... + 475298915.

It is an arithmetic number, because the mean of its divisors is an integer number (7129482930).

Almost surely, 2^51332277042 is an apocalyptic number.

51332277042 is an abundant number, since it is smaller than the sum of its proper divisors (62739449838).

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

51332277042 is a wasteful number, since it uses less digits than its factorization.

51332277042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 950597734 (or 950597728 counting only the distinct ones).

The product of its (nonzero) digits is 70560, while the sum is 36.

The spelling of 51332277042 in words is "fifty-one billion, three hundred thirty-two million, two hundred seventy-seven thousand, forty-two".