4557240 has 48 divisors (see below), whose sum is σ = 14812200. Its totient is φ = 1215168.

The previous prime is 4557233. The next prime is 4557257. The reversal of 4557240 is 427554.

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5970 + ... + 6689.

Almost surely, 2^4557240 is an apocalyptic number.

4557240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4557240 is an abundant number, since it is smaller than the sum of its proper divisors (10254960).

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

4557240 is a wasteful number, since it uses less digits than its factorization.

4557240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12676 (or 12669 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 4557240 is about 2134.7693083797. The cubic root of 4557240 is about 165.7934237830.

The spelling of 4557240 in words is "four million, five hundred fifty-seven thousand, two hundred forty".