51074450412 has 24 divisors (see below), whose sum is σ = 126183936816. Its totient is φ = 16023356928.

The previous prime is 51074450407. The next prime is 51074450437. The reversal of 51074450412 is 21405447015.

51074450412 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 125182273 + ... + 125182680.

It is an arithmetic number, because the mean of its divisors is an integer number (5257664034).

Almost surely, 2^51074450412 is an apocalyptic number.

It is an amenable number.

51074450412 is an abundant number, since it is smaller than the sum of its proper divisors (75109486404).

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

51074450412 is a wasteful number, since it uses less digits than its factorization.

51074450412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 250364977 (or 250364975 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 33.

Adding to 51074450412 its reverse (21405447015), we get a palindrome (72479897427).

The spelling of 51074450412 in words is "fifty-one billion, seventy-four million, four hundred fifty thousand, four hundred twelve".