4240128 has 36 divisors (see below), whose sum is σ = 11286968. Its totient is φ = 1413120.

The previous prime is 4240127. The next prime is 4240139. The reversal of 4240128 is 8210424.

It is not an unprimeable number, because it can be changed into a prime (4240127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1993 + ... + 3528.

Almost surely, 2^4240128 is an apocalyptic number.

4240128 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

4240128 is an abundant number, since it is smaller than the sum of its proper divisors (7046840).

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

4240128 is an equidigital number, since it uses as much as digits as its factorization.

4240128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5540 (or 5526 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 4240128 is about 2059.1571091104. The cubic root of 4240128 is about 161.8550753889.

The spelling of 4240128 in words is "four million, two hundred forty thousand, one hundred twenty-eight".