51442240333671 has 48 divisors (see below), whose sum is σ = 81103900101120. Its totient is φ = 31160427831360.

The previous prime is 51442240333667. The next prime is 51442240333691. The reversal of 51442240333671 is 17633304224415.

51442240333671 is a `hidden beast` number, since 5 + 1 + 4 + 4 + 2 + 240 + 3 + 336 + 71 = 666.

It is not a de Polignac number, because 51442240333671 - 2² = 51442240333667 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51442240333691) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1589718990 + ... + 1589751348.

It is an arithmetic number, because the mean of its divisors is an integer number (1689664585440).

Almost surely, 2^{51442240333671} is an apocalyptic number.

51442240333671 is a deficient number, since it is larger than the sum of its proper divisors (29661659767449).

51442240333671 is a wasteful number, since it uses less digits than its factorization.

51442240333671 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40476 (or 40473 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 45.

The spelling of 51442240333671 in words is "fifty-one trillion, four hundred forty-two billion, two hundred forty million, three hundred thirty-three thousand, six hundred seventy-one".