51254206446 has 32 divisors (see below), whose sum is σ = 102776636160. Its totient is φ = 17040091904.

The previous prime is 51254206439. The next prime is 51254206459. The reversal of 51254206446 is 64460245215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3800311 + ... + 3813773.

It is an arithmetic number, because the mean of its divisors is an integer number (3211769880).

Almost surely, 2^51254206446 is an apocalyptic number.

51254206446 is an abundant number, since it is smaller than the sum of its proper divisors (51522429714).

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

51254206446 is a wasteful number, since it uses less digits than its factorization.

51254206446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15080.

The product of its (nonzero) digits is 230400, while the sum is 39.

The spelling of 51254206446 in words is "fifty-one billion, two hundred fifty-four million, two hundred six thousand, four hundred forty-six".