51846436208 has 40 divisors (see below), whose sum is σ = 117245448192. Its totient is φ = 21747135168.

The previous prime is 51846436193. The next prime is 51846436211. The reversal of 51846436208 is 80263464815.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

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, 4919360 + ... + 4929887.

Almost surely, 2^51846436208 is an apocalyptic number.

It is an amenable number.

51846436208 is an abundant number, since it is smaller than the sum of its proper divisors (65399011984).

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

51846436208 is a wasteful number, since it uses less digits than its factorization.

51846436208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9849309 (or 9849303 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 47.

The spelling of 51846436208 in words is "fifty-one billion, eight hundred forty-six million, four hundred thirty-six thousand, two hundred eight".