42457309743628 has 12 divisors (see below), whose sum is σ = 80015699132320. Its totient is φ = 19595681420112.

The previous prime is 42457309743613. The next prime is 42457309743659. The reversal of 42457309743628 is 82634790375424.

42457309743628 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 42457309743628.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408243362868 + ... + 408243362971.

Almost surely, 2^{42457309743628} is an apocalyptic number.

It is an amenable number.

42457309743628 is a deficient number, since it is larger than the sum of its proper divisors (37558389388692).

42457309743628 is a wasteful number, since it uses less digits than its factorization.

42457309743628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 816486725856 (or 816486725854 counting only the distinct ones).

The product of its (nonzero) digits is 243855360, while the sum is 64.

The spelling of 42457309743628 in words is "forty-two trillion, four hundred fifty-seven billion, three hundred nine million, seven hundred forty-three thousand, six hundred twenty-eight".