42949511072 has 24 divisors (see below), whose sum is σ = 91061223876. Its totient is φ = 19822851072.

The previous prime is 42949511057. The next prime is 42949511113. The reversal of 42949511072 is 27011594924.

It can be written as a sum of positive squares in 2 ways, for example, as 42256558096 + 692952976 = 205564^2 + 26324^2 .

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, 51621593 + ... + 51622424.

Almost surely, 2^42949511072 is an apocalyptic number.

It is an amenable number.

42949511072 is an abundant number, since it is smaller than the sum of its proper divisors (48111712804).

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

42949511072 is a wasteful number, since it uses less digits than its factorization.

42949511072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 103244040 (or 103244032 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 44.

The spelling of 42949511072 in words is "forty-two billion, nine hundred forty-nine million, five hundred eleven thousand, seventy-two".