42268263764 has 24 divisors (see below), whose sum is σ = 74427498600. Its totient is φ = 21003485184.

The previous prime is 42268263659. The next prime is 42268263799. The reversal of 42268263764 is 46736286224.

It can be written as a sum of positive squares in 4 ways, for example, as 1923524164 + 40344739600 = 43858^2 + 200860^2 .

It is a super-2 number, since 2×42268263764² (a number of 22 digits) contains 22 as substring.

It is a congruent 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, 755012 + ... + 809060.

It is an arithmetic number, because the mean of its divisors is an integer number (3101145775).

Almost surely, 2^42268263764 is an apocalyptic number.

It is an amenable number.

42268263764 is a deficient number, since it is larger than the sum of its proper divisors (32159234836).

42268263764 is a wasteful number, since it uses less digits than its factorization.

42268263764 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55259 (or 55257 counting only the distinct ones).

The product of its digits is 4644864, while the sum is 50.

The spelling of 42268263764 in words is "forty-two billion, two hundred sixty-eight million, two hundred sixty-three thousand, seven hundred sixty-four".