51340527020 has 24 divisors (see below), whose sum is σ = 108638128368. Its totient is φ = 20379444800.

The previous prime is 51340527001. The next prime is 51340527053. The reversal of 51340527020 is 2072504315.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9795191 + ... + 9800430.

It is an arithmetic number, because the mean of its divisors is an integer number (4526588682).

Almost surely, 2^51340527020 is an apocalyptic number.

It is an amenable number.

51340527020 is an abundant number, since it is smaller than the sum of its proper divisors (57297601348).

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

51340527020 is a wasteful number, since it uses less digits than its factorization.

51340527020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19595761 (or 19595759 counting only the distinct ones).

The product of its (nonzero) digits is 8400, while the sum is 29.

The spelling of 51340527020 in words is "fifty-one billion, three hundred forty million, five hundred twenty-seven thousand, twenty".