4042268808644 has 12 divisors (see below), whose sum is σ = 7717058634768. Its totient is φ = 1837394913000.

The previous prime is 4042268808619. The next prime is 4042268808667. The reversal of 4042268808644 is 4468088622404.

It is a self number, because there is not a number n which added to its sum of digits gives 4042268808644.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 45934872782 + ... + 45934872869.

It is an arithmetic number, because the mean of its divisors is an integer number (643088219564).

Almost surely, 2^{4042268808644} is an apocalyptic number.

4042268808644 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

4042268808644 is a deficient number, since it is larger than the sum of its proper divisors (3674789826124).

4042268808644 is a wasteful number, since it uses less digits than its factorization.

4042268808644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91869745666 (or 91869745664 counting only the distinct ones).

The product of its (nonzero) digits is 18874368, while the sum is 56.

The spelling of 4042268808644 in words is "four trillion, forty-two billion, two hundred sixty-eight million, eight hundred eight thousand, six hundred forty-four".