42862940 has 12 divisors (see below), whose sum is σ = 90012216. Its totient is φ = 17145168.

The previous prime is 42862921. The next prime is 42862973. The reversal of 42862940 is 4926824.

It is a self number, because there is not a number n which added to its sum of digits gives 42862940.

It is a congruent number.

It is an unprimeable number.

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, 1071554 + ... + 1071593.

It is an arithmetic number, because the mean of its divisors is an integer number (7501018).

Almost surely, 2^42862940 is an apocalyptic number.

It is an amenable number.

42862940 is an abundant number, since it is smaller than the sum of its proper divisors (47149276).

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

42862940 is a wasteful number, since it uses less digits than its factorization.

42862940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2143156 (or 2143154 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 42862940 is about 6546.9794562073. The cubic root of 42862940 is about 349.9671805961.

The spelling of 42862940 in words is "forty-two million, eight hundred sixty-two thousand, nine hundred forty".