2440428 has 24 divisors (see below), whose sum is σ = 5816832. Its totient is φ = 795984.

The previous prime is 2440421. The next prime is 2440439. The reversal of 2440428 is 8240442.

It is a junction number, because it is equal to n+sod(n) for n = 2440398 and 2440407.

It is not an unprimeable number, because it can be changed into a prime (2440421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1600 + ... + 2727.

It is an arithmetic number, because the mean of its divisors is an integer number (242368).

2^2440428 is an apocalyptic number.

It is an amenable number.

2440428 is an abundant number, since it is smaller than the sum of its proper divisors (3376404).

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

2440428 is a wasteful number, since it uses less digits than its factorization.

2440428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4381 (or 4379 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 2440428 is about 1562.1869286356. The cubic root of 2440428 is about 134.6341810781.

The spelling of 2440428 in words is "two million, four hundred forty thousand, four hundred twenty-eight".