51340244627 has 32 divisors (see below), whose sum is σ = 64229345280. Its totient is φ = 40068483840.

The previous prime is 51340244617. The next prime is 51340244629. The reversal of 51340244627 is 72644204315.

It is a happy number.

It is not a de Polignac number, because 51340244627 - 2¹⁴ = 51340228243 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51340244629) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254063 + ... + 408935.

It is an arithmetic number, because the mean of its divisors is an integer number (2007167040).

Almost surely, 2^51340244627 is an apocalyptic number.

51340244627 is a deficient number, since it is larger than the sum of its proper divisors (12889100653).

51340244627 is a wasteful number, since it uses less digits than its factorization.

51340244627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155003.

The product of its (nonzero) digits is 161280, while the sum is 38.

The spelling of 51340244627 in words is "fifty-one billion, three hundred forty million, two hundred forty-four thousand, six hundred twenty-seven".