42676440 has 64 divisors (see below), whose sum is σ = 128671200. Its totient is φ = 11323392.

The previous prime is 42676433. The next prime is 42676441. The reversal of 42676440 is 4467624.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42676441) 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 15 ways as a sum of consecutive naturals, for example, 26704 + ... + 28256.

Almost surely, 2^42676440 is an apocalyptic number.

42676440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42676440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64335600).

42676440 is an abundant number, since it is smaller than the sum of its proper divisors (85994760).

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

42676440 is a wasteful number, since it uses less digits than its factorization.

42676440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1796 (or 1792 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 33.

The square root of 42676440 is about 6532.7207195777. The cubic root of 42676440 is about 349.4588644610.

The spelling of 42676440 in words is "forty-two million, six hundred seventy-six thousand, four hundred forty".