51140452424 has 16 divisors (see below), whose sum is σ = 95894728620. Its totient is φ = 25568524800.

The previous prime is 51140452379. The next prime is 51140452477. The reversal of 51140452424 is 42425404115.

It can be written as a sum of positive squares in 2 ways, for example, as 47793829924 + 3346622500 = 218618^2 + 57850^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80069 + ... + 329684.

Almost surely, 2^51140452424 is an apocalyptic number.

It is an amenable number.

51140452424 is a deficient number, since it is larger than the sum of its proper divisors (44754276196).

51140452424 is a wasteful number, since it uses less digits than its factorization.

51140452424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425360 (or 425356 counting only the distinct ones).

The product of its (nonzero) digits is 25600, while the sum is 32.

Adding to 51140452424 its reverse (42425404115), we get a palindrome (93565856539).

The spelling of 51140452424 in words is "fifty-one billion, one hundred forty million, four hundred fifty-two thousand, four hundred twenty-four".