51410840152466 has 4 divisors (see below), whose sum is σ = 77116260228702. Its totient is φ = 25705420076232.

The previous prime is 51410840152339. The next prime is 51410840152501. The reversal of 51410840152466 is 66425104801415.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 36177470182441 + 15233369970025 = 6014771^2 + 3902995^2 .

It is a super-2 number, since 2×51410840152466² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 51410840152466.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12852710038115 + ... + 12852710038118.

Almost surely, 2^{51410840152466} is an apocalyptic number.

51410840152466 is a deficient number, since it is larger than the sum of its proper divisors (25705420076236).

51410840152466 is a wasteful number, since it uses less digits than its factorization.

51410840152466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25705420076235.

The product of its (nonzero) digits is 921600, while the sum is 47.

The spelling of 51410840152466 in words is "fifty-one trillion, four hundred ten billion, eight hundred forty million, one hundred fifty-two thousand, four hundred sixty-six".