51742416242 has 16 divisors (see below), whose sum is σ = 84939928992. Its totient is φ = 23444135520.

The previous prime is 51742416241. The next prime is 51742416259. The reversal of 51742416242 is 24261424715.

It is a junction number, because it is equal to n+sod(n) for n = 51742416196 and 51742416205.

It is not an unprimeable number, because it can be changed into a prime (51742416241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3750188 + ... + 3763959.

It is an arithmetic number, because the mean of its divisors is an integer number (5308745562).

Almost surely, 2^51742416242 is an apocalyptic number.

51742416242 is a deficient number, since it is larger than the sum of its proper divisors (33197512750).

51742416242 is a wasteful number, since it uses less digits than its factorization.

51742416242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7514473.

The product of its digits is 107520, while the sum is 38.

The spelling of 51742416242 in words is "fifty-one billion, seven hundred forty-two million, four hundred sixteen thousand, two hundred forty-two".