51203680476 has 24 divisors (see below), whose sum is σ = 128665659024. Its totient is φ = 15754978560.

The previous prime is 51203680447. The next prime is 51203680501. The reversal of 51203680476 is 67408630215.

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, 164114205 + ... + 164114516.

It is an arithmetic number, because the mean of its divisors is an integer number (5361069126).

Almost surely, 2^51203680476 is an apocalyptic number.

It is an amenable number.

51203680476 is an abundant number, since it is smaller than the sum of its proper divisors (77461978548).

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

51203680476 is a wasteful number, since it uses less digits than its factorization.

51203680476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 328228741 (or 328228739 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The spelling of 51203680476 in words is "fifty-one billion, two hundred three million, six hundred eighty thousand, four hundred seventy-six".