42294864 has 20 divisors (see below), whose sum is σ = 109261856. Its totient is φ = 14098272.

The previous prime is 42294851. The next prime is 42294869. The reversal of 42294864 is 46849224.

It is a super-3 number, since 3×42294864³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42294869) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440524 + ... + 440619.

Almost surely, 2^42294864 is an apocalyptic number.

It is an amenable number.

42294864 is an abundant number, since it is smaller than the sum of its proper divisors (66966992).

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

42294864 is a wasteful number, since it uses less digits than its factorization.

42294864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881154 (or 881148 counting only the distinct ones).

The product of its digits is 110592, while the sum is 39.

The square root of 42294864 is about 6503.4501612606. The cubic root of 42294864 is about 348.4142246808.

The spelling of 42294864 in words is "forty-two million, two hundred ninety-four thousand, eight hundred sixty-four".