4521506404 has 12 divisors (see below), whose sum is σ = 8105627628. Its totient is φ = 2205612800.

The previous prime is 4521506369. The next prime is 4521506411. The reversal of 4521506404 is 4046051254.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 885657600 + 3635848804 = 29760^2 + 60298^2 .

It is a super-2 number, since 2×4521506404² = 40888040322826022432, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13784917 + ... + 13785244.

It is an arithmetic number, because the mean of its divisors is an integer number (675468969).

Almost surely, 2^4521506404 is an apocalyptic number.

It is an amenable number.

4521506404 is a deficient number, since it is larger than the sum of its proper divisors (3584121224).

4521506404 is a wasteful number, since it uses less digits than its factorization.

4521506404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27570206 (or 27570204 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 31.

The square root of 4521506404 is about 67242.1475266815. The cubic root of 4521506404 is about 1653.5895412254.

Adding to 4521506404 its reverse (4046051254), we get a palindrome (8567557658).

The spelling of 4521506404 in words is "four billion, five hundred twenty-one million, five hundred six thousand, four hundred four".