51845046270 has 64 divisors (see below), whose sum is σ = 125231754240. Its totient is φ = 13736188800.

The previous prime is 51845046269. The next prime is 51845046361. The reversal of 51845046270 is 7264054815.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7412475 + ... + 7419465.

It is an arithmetic number, because the mean of its divisors is an integer number (1956746160).

Almost surely, 2^51845046270 is an apocalyptic number.

51845046270 is an abundant number, since it is smaller than the sum of its proper divisors (73386707970).

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

51845046270 is a wasteful number, since it uses less digits than its factorization.

51845046270 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8561.

The product of its (nonzero) digits is 268800, while the sum is 42.

The spelling of 51845046270 in words is "fifty-one billion, eight hundred forty-five million, forty-six thousand, two hundred seventy".