4526440 has 16 divisors (see below), whose sum is σ = 10184580. Its totient is φ = 1810560.

The previous prime is 4526419. The next prime is 4526447. The reversal of 4526440 is 446254.

It can be written as a sum of positive squares in 2 ways, for example, as 4435236 + 91204 = 2106^2 + 302^2 .

It is not an unprimeable number, because it can be changed into a prime (4526447) 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, 56541 + ... + 56620.

Almost surely, 2^4526440 is an apocalyptic number.

4526440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4526440 is an abundant number, since it is smaller than the sum of its proper divisors (5658140).

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

4526440 is a wasteful number, since it uses less digits than its factorization.

4526440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113172 (or 113168 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 4526440 is about 2127.5431840506. The cubic root of 4526440 is about 165.4190755112.

The spelling of 4526440 in words is "four million, five hundred twenty-six thousand, four hundred forty".