51648476242 has 16 divisors (see below), whose sum is σ = 84689249472. Its totient is φ = 23428368720.

The previous prime is 51648476233. The next prime is 51648476273. The reversal of 51648476242 is 24267484615.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2399613 + ... + 2421040.

It is an arithmetic number, because the mean of its divisors is an integer number (5293078092).

Almost surely, 2^51648476242 is an apocalyptic number.

51648476242 is a deficient number, since it is larger than the sum of its proper divisors (33040773230).

51648476242 is a wasteful number, since it uses less digits than its factorization.

51648476242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4821153.

The product of its digits is 2580480, while the sum is 49.

The spelling of 51648476242 in words is "fifty-one billion, six hundred forty-eight million, four hundred seventy-six thousand, two hundred forty-two".