51270735726 has 48 divisors (see below), whose sum is σ = 131658194304. Its totient is φ = 14648780664.

The previous prime is 51270735701. The next prime is 51270735751. The reversal of 51270735726 is 62753707215.

51270735726 is a `hidden beast` number, since 5 + 1 + 2 + 7 + 0 + 73 + 572 + 6 = 666.

It is an interprime number because it is at equal distance from previous prime (51270735701) and next prime (51270735751).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7531980 + ... + 7538783.

It is an arithmetic number, because the mean of its divisors is an integer number (2742879048).

Almost surely, 2^51270735726 is an apocalyptic number.

51270735726 is an abundant number, since it is smaller than the sum of its proper divisors (80387458578).

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

51270735726 is a wasteful number, since it uses less digits than its factorization.

51270735726 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15070787 (or 15070775 counting only the distinct ones).

The product of its (nonzero) digits is 617400, while the sum is 45.

The spelling of 51270735726 in words is "fifty-one billion, two hundred seventy million, seven hundred thirty-five thousand, seven hundred twenty-six".