4456140 has 96 divisors (see below), whose sum is σ = 13970880. Its totient is φ = 1053696.

The previous prime is 4456121. The next prime is 4456147. The reversal of 4456140 is 416544.

It is a self number, because there is not a number n which added to its sum of digits gives 4456140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4456147) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22522 + ... + 22718.

It is an arithmetic number, because the mean of its divisors is an integer number (145530).

Almost surely, 2^4456140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4456140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6985440).

4456140 is an abundant number, since it is smaller than the sum of its proper divisors (9514740).

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

4456140 is a wasteful number, since it uses less digits than its factorization.

4456140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 251 (or 249 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 4456140 is about 2110.9571288873. The cubic root of 4456140 is about 164.5582305712.

The spelling of 4456140 in words is "four million, four hundred fifty-six thousand, one hundred forty".