51484692090240 has 192 divisors, whose sum is σ = 183518015990400. Its totient is φ = 13286372106240.

The previous prime is 51484692090233. The next prime is 51484692090241. The reversal of 51484692090240 is 4209029648415.

51484692090240 is a `hidden beast` number, since 51 + 4 + 8 + 469 + 2 + 0 + 90 + 2 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51484692090241) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 143987805 + ... + 144344924.

It is an arithmetic number, because the mean of its divisors is an integer number (955822999950).

Almost surely, 2^{51484692090240} is an apocalyptic number.

It is an amenable number.

51484692090240 is an abundant number, since it is smaller than the sum of its proper divisors (132033323900160).

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

51484692090240 is a wasteful number, since it uses less digits than its factorization.

51484692090240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 288332785 (or 288332770 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 54.

The spelling of 51484692090240 in words is "fifty-one trillion, four hundred eighty-four billion, six hundred ninety-two million, ninety thousand, two hundred forty".