4529440 has 24 divisors (see below), whose sum is σ = 10701180. Its totient is φ = 1811712.

The previous prime is 4529419. The next prime is 4529449. The reversal of 4529440 is 449254.

It can be written as a sum of positive squares in 2 ways, for example, as 4477456 + 51984 = 2116^2 + 228^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4529399 and 4529408.

It is not an unprimeable number, because it can be changed into a prime (4529449) 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, 13995 + ... + 14314.

Almost surely, 2^4529440 is an apocalyptic number.

4529440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4529440 is an abundant number, since it is smaller than the sum of its proper divisors (6171740).

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

4529440 is a wasteful number, since it uses less digits than its factorization.

4529440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28324 (or 28316 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 4529440 is about 2128.2481058373. The cubic root of 4529440 is about 165.4556125125.

The spelling of 4529440 in words is "four million, five hundred twenty-nine thousand, four hundred forty".