51466046445 has 24 divisors (see below), whose sum is σ = 97317616032. Its totient is φ = 24953234400.

The previous prime is 51466046413. The next prime is 51466046461. The reversal of 51466046445 is 54464066415.

51466046445 is a `hidden beast` number, since 5 + 146 + 6 + 0 + 464 + 45 = 666.

It is not a de Polignac number, because 51466046445 - 2⁵ = 51466046413 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 51466046445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51985411 + ... + 51986400.

It is an arithmetic number, because the mean of its divisors is an integer number (4054900668).

Almost surely, 2^51466046445 is an apocalyptic number.

51466046445 is a gapful number since it is divisible by the number (55) formed by its first and last digit.

It is an amenable number.

51466046445 is a deficient number, since it is larger than the sum of its proper divisors (45851569587).

51466046445 is a wasteful number, since it uses less digits than its factorization.

51466046445 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103971833 (or 103971830 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 45.

The spelling of 51466046445 in words is "fifty-one billion, four hundred sixty-six million, forty-six thousand, four hundred forty-five".