4267440 has 60 divisors (see below), whose sum is σ = 14333904. Its totient is φ = 1137792.

The previous prime is 4267427. The next prime is 4267441. The reversal of 4267440 is 447624.

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-2 number, since 2×4267440² = 36422088307200, which contains 22 as substring.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (4267441) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2244 + ... + 3683.

Almost surely, 2^4267440 is an apocalyptic number.

4267440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4267440 is an abundant number, since it is smaller than the sum of its proper divisors (10066464).

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

4267440 is a wasteful number, since it uses less digits than its factorization.

4267440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5946 (or 5937 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 27.

The square root of 4267440 is about 2065.7783036909. The cubic root of 4267440 is about 162.2018517265.

The spelling of 4267440 in words is "four million, two hundred sixty-seven thousand, four hundred forty".