42957986816 has 44 divisors (see below), whose sum is σ = 87968596800. Its totient is φ = 20955095040.

The previous prime is 42957986803. The next prime is 42957986821. The reversal of 42957986816 is 61868975924.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 469616 + ... + 553583.

Almost surely, 2^42957986816 is an apocalyptic number.

It is an amenable number.

42957986816 is an abundant number, since it is smaller than the sum of its proper divisors (45010609984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

42957986816 is a wasteful number, since it uses less digits than its factorization.

42957986816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023260 (or 1023242 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 65.

The spelling of 42957986816 in words is "forty-two billion, nine hundred fifty-seven million, nine hundred eighty-six thousand, eight hundred sixteen".