4551040 has 64 divisors (see below), whose sum is σ = 11738160. Its totient is φ = 1677312.

The previous prime is 4551023. The next prime is 4551049. The reversal of 4551040 is 401554.

It is a tau number, because it is divible by the number of its divisors (64).

It is a junction number, because it is equal to n+sod(n) for n = 4550999 and 4551017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4551049) 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, 8047 + ... + 8593.

Almost surely, 2^4551040 is an apocalyptic number.

4551040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4551040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5869080).

4551040 is an abundant number, since it is smaller than the sum of its proper divisors (7187120).

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

4551040 is a wasteful number, since it uses less digits than its factorization.

4551040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579 (or 567 counting only the distinct ones).

The product of its (nonzero) digits is 400, while the sum is 19.

The square root of 4551040 is about 2133.3166666016. The cubic root of 4551040 is about 165.7182038596.

Adding to 4551040 its reverse (401554), we get a palindrome (4952594).

The spelling of 4551040 in words is "four million, five hundred fifty-one thousand, forty".