42043464 has 24 divisors (see below), whose sum is σ = 113867910. Its totient is φ = 14014464.

The previous prime is 42043453. The next prime is 42043481. The reversal of 42043464 is 46434024.

It can be written as a sum of positive squares in only one way, i.e., 40220964 + 1822500 = 6342^2 + 1350^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 291897 + ... + 292040.

Almost surely, 2^42043464 is an apocalyptic number.

It is an amenable number.

42043464 is an abundant number, since it is smaller than the sum of its proper divisors (71824446).

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

42043464 is a wasteful number, since it uses less digits than its factorization.

42043464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 583949 (or 583942 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 42043464 is about 6484.0931517060. The cubic root of 42043464 is about 347.7225295172.

Adding to 42043464 its reverse (46434024), we get a palindrome (88477488).

The spelling of 42043464 in words is "forty-two million, forty-three thousand, four hundred sixty-four".