42267940 has 48 divisors (see below), whose sum is σ = 104287680. Its totient is φ = 14186880.

The previous prime is 42267919. The next prime is 42267941. The reversal of 42267940 is 4976224.

It is a junction number, because it is equal to n+sod(n) for n = 42267896 and 42267905.

It is not an unprimeable number, because it can be changed into a prime (42267941) 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, 4530 + ... + 10249.

It is an arithmetic number, because the mean of its divisors is an integer number (2172660).

Almost surely, 2^42267940 is an apocalyptic number.

It is an amenable number.

42267940 is an abundant number, since it is smaller than the sum of its proper divisors (62019740).

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

42267940 is a wasteful number, since it uses less digits than its factorization.

42267940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14812 (or 14810 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 42267940 is about 6501.3798535388. The cubic root of 42267940 is about 348.3402779891.

The spelling of 42267940 in words is "forty-two million, two hundred sixty-seven thousand, nine hundred forty".