51454160430642 has 24 divisors (see below), whose sum is σ = 112222319002560. Its totient is φ = 17037801466200.

The previous prime is 51454160430613. The next prime is 51454160430653. The reversal of 51454160430642 is 24603406145415.

51454160430642 is a `hidden beast` number, since 5 + 1 + 4 + 5 + 4 + 1 + 604 + 30 + 6 + 4 + 2 = 666.

51454160430642 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11 ways as a sum of consecutive naturals, for example, 9465442542 + ... + 9465447977.

It is an arithmetic number, because the mean of its divisors is an integer number (4675929958440).

Almost surely, 2^{51454160430642} is an apocalyptic number.

51454160430642 is an abundant number, since it is smaller than the sum of its proper divisors (60768158571918).

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

51454160430642 is a wasteful number, since it uses less digits than its factorization.

51454160430642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18930890678 (or 18930890675 counting only the distinct ones).

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

The spelling of 51454160430642 in words is "fifty-one trillion, four hundred fifty-four billion, one hundred sixty million, four hundred thirty thousand, six hundred forty-two".