5115440454 has 48 divisors (see below), whose sum is σ = 10914085776. Its totient is φ = 1598054400.

The previous prime is 5115440443. The next prime is 5115440459. The reversal of 5115440454 is 4540445115.

It is a super-2 number, since 2×5115440454² = 52335462076839452232, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5115440459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 411774 + ... + 424014.

It is an arithmetic number, because the mean of its divisors is an integer number (227376787).

Almost surely, 2^5115440454 is an apocalyptic number.

5115440454 is an abundant number, since it is smaller than the sum of its proper divisors (5798645322).

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

5115440454 is a wasteful number, since it uses less digits than its factorization.

5115440454 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12521 (or 12504 counting only the distinct ones).

The product of its (nonzero) digits is 32000, while the sum is 33.

The square root of 5115440454 is about 71522.3073872760. The cubic root of 5115440454 is about 1723.0359727806.

Adding to 5115440454 its reverse (4540445115), we get a palindrome (9655885569).

The spelling of 5115440454 in words is "five billion, one hundred fifteen million, four hundred forty thousand, four hundred fifty-four".