51446632306 has 16 divisors (see below), whose sum is σ = 78950453760. Its totient is φ = 25131739360.

The previous prime is 51446632243. The next prime is 51446632319. The reversal of 51446632306 is 60323664415.

It is a happy number.

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, 427450 + ... + 534421.

It is an arithmetic number, because the mean of its divisors is an integer number (4934403360).

Almost surely, 2^51446632306 is an apocalyptic number.

51446632306 is a deficient number, since it is larger than the sum of its proper divisors (27503821454).

51446632306 is a wasteful number, since it uses less digits than its factorization.

51446632306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 962489.

The product of its (nonzero) digits is 311040, while the sum is 40.

The spelling of 51446632306 in words is "fifty-one billion, four hundred forty-six million, six hundred thirty-two thousand, three hundred six".