51433445140 has 96 divisors (see below), whose sum is σ = 137527455744. Its totient is φ = 15690092160.

The previous prime is 51433445137. The next prime is 51433445149. The reversal of 51433445140 is 4154433415.

It is a junction number, because it is equal to n+sod(n) for n = 51433445096 and 51433445105.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51433445149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 282922 + ... + 427681.

It is an arithmetic number, because the mean of its divisors is an integer number (1432577664).

Almost surely, 2^51433445140 is an apocalyptic number.

It is an amenable number.

51433445140 is an abundant number, since it is smaller than the sum of its proper divisors (86094010604).

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

51433445140 is a wasteful number, since it uses less digits than its factorization.

51433445140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710677 (or 710675 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 34.

Adding to 51433445140 its reverse (4154433415), we get a palindrome (55587878555).

The spelling of 51433445140 in words is "fifty-one billion, four hundred thirty-three million, four hundred forty-five thousand, one hundred forty".