4541512440 has 32 divisors (see below), whose sum is σ = 13624537680. Its totient is φ = 1211069952.

The previous prime is 4541512429. The next prime is 4541512471. The reversal of 4541512440 is 442151454.

It is a super-3 number, since 3×4541512440³ (a number of 30 digits) contains 333 as substring.

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 = 4541512398 and 4541512407.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18922849 + ... + 18923088.

Almost surely, 2^4541512440 is an apocalyptic number.

4541512440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4541512440 is an abundant number, since it is smaller than the sum of its proper divisors (9083025240).

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

4541512440 is a wasteful number, since it uses less digits than its factorization.

4541512440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37845951 (or 37845947 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 4541512440 is about 67390.7444683615. The cubic root of 4541512440 is about 1656.0247989238.

Adding to 4541512440 its reverse (442151454), we get a palindrome (4983663894).

The spelling of 4541512440 in words is "four billion, five hundred forty-one million, five hundred twelve thousand, four hundred forty".