51003240430 has 32 divisors (see below), whose sum is σ = 92867347584. Its totient is φ = 20166375936.

The previous prime is 51003240419. The next prime is 51003240461. The reversal of 51003240430 is 3404230015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 360987 + ... + 481993.

It is an arithmetic number, because the mean of its divisors is an integer number (2902104612).

Almost surely, 2^51003240430 is an apocalyptic number.

51003240430 is a deficient number, since it is larger than the sum of its proper divisors (41864107154).

51003240430 is a wasteful number, since it uses less digits than its factorization.

51003240430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121500.

The product of its (nonzero) digits is 1440, while the sum is 22.

Adding to 51003240430 its reverse (3404230015), we get a palindrome (54407470445).

The spelling of 51003240430 in words is "fifty-one billion, three million, two hundred forty thousand, four hundred thirty".