4520533440 has 56 divisors (see below), whose sum is σ = 14352696720. Its totient is φ = 1205475328.

The previous prime is 4520533439. The next prime is 4520533453. The reversal of 4520533440 is 443350254.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 4520533398 and 4520533407.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2353485 + ... + 2355404.

Almost surely, 2^4520533440 is an apocalyptic number.

4520533440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4520533440 is an abundant number, since it is smaller than the sum of its proper divisors (9832163280).

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

4520533440 is a wasteful number, since it uses less digits than its factorization.

4520533440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4708909 (or 4708899 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 30.

The square root of 4520533440 is about 67234.9123595770. The cubic root of 4520533440 is about 1653.4709230506.

Adding to 4520533440 its reverse (443350254), we get a palindrome (4963883694).

The spelling of 4520533440 in words is "four billion, five hundred twenty million, five hundred thirty-three thousand, four hundred forty".