42867240 has 64 divisors (see below), whose sum is σ = 138499200. Its totient is φ = 10551552.

The previous prime is 42867233. The next prime is 42867241. The reversal of 42867240 is 4276824.

It is not an unprimeable number, because it can be changed into a prime (42867241) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12180 + ... + 15299.

It is an arithmetic number, because the mean of its divisors is an integer number (2164050).

Almost surely, 2^42867240 is an apocalyptic number.

42867240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42867240 is an abundant number, since it is smaller than the sum of its proper divisors (95631960).

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

42867240 is a wasteful number, since it uses less digits than its factorization.

42867240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27506 (or 27502 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 42867240 is about 6547.3078436866. The cubic root of 42867240 is about 349.9788830797.

The spelling of 42867240 in words is "forty-two million, eight hundred sixty-seven thousand, two hundred forty".