415340154440 has 16 divisors (see below), whose sum is σ = 934515347580. Its totient is φ = 166136061760.

The previous prime is 415340154421. The next prime is 415340154443. The reversal of 415340154440 is 44451043514.

It can be written as a sum of positive squares in 2 ways, for example, as 388510369636 + 26829784804 = 623306^2 + 163798^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 415340154440.

It is not an unprimeable number, because it can be changed into a prime (415340154443) 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 3 ways as a sum of consecutive naturals, for example, 5191751891 + ... + 5191751970.

Almost surely, 2^415340154440 is an apocalyptic number.

415340154440 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

415340154440 is an abundant number, since it is smaller than the sum of its proper divisors (519175193140).

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

415340154440 is a wasteful number, since it uses less digits than its factorization.

415340154440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10383503872 (or 10383503868 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 415340154440 its reverse (44451043514), we get a palindrome (459791197954).

The spelling of 415340154440 in words is "four hundred fifteen billion, three hundred forty million, one hundred fifty-four thousand, four hundred forty".