42856972024 has 32 divisors (see below), whose sum is σ = 82251227520. Its totient is φ = 20923622496.

The previous prime is 42856971991. The next prime is 42856972049. The reversal of 42856972024 is 42027965824.

It is a super-3 number, since 3×42856972024³ (a number of 33 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1195627 + ... + 1230949.

It is an arithmetic number, because the mean of its divisors is an integer number (2570350860).

Almost surely, 2^42856972024 is an apocalyptic number.

It is an amenable number.

42856972024 is a deficient number, since it is larger than the sum of its proper divisors (39394255496).

42856972024 is a wasteful number, since it uses less digits than its factorization.

42856972024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38899 (or 38895 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 49.

The spelling of 42856972024 in words is "forty-two billion, eight hundred fifty-six million, nine hundred seventy-two thousand, twenty-four".