51726677761442 has 32 divisors (see below), whose sum is σ = 80547141182400. Its totient is φ = 24883944221248.

The previous prime is 51726677761439. The next prime is 51726677761457. The reversal of 51726677761442 is 24416777662715.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51776609 + ... + 52766187.

It is an arithmetic number, because the mean of its divisors is an integer number (2517098161950).

Almost surely, 2^{51726677761442} is an apocalyptic number.

51726677761442 is a deficient number, since it is larger than the sum of its proper divisors (28820463420958).

51726677761442 is a wasteful number, since it uses less digits than its factorization.

51726677761442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992770.

The product of its digits is 165957120, while the sum is 65.

The spelling of 51726677761442 in words is "fifty-one trillion, seven hundred twenty-six billion, six hundred seventy-seven million, seven hundred sixty-one thousand, four hundred forty-two".