415540423253 has 4 divisors (see below), whose sum is σ = 439983977580. Its totient is φ = 391096868928.

The previous prime is 415540423187. The next prime is 415540423261. The reversal of 415540423253 is 352324045514.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 311713405969 + 103827017284 = 558313^2 + 322222^2 .

It is a cyclic number.

It is not a de Polignac number, because 415540423253 - 2¹⁰ = 415540422229 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (415540423453) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12221777138 + ... + 12221777171.

It is an arithmetic number, because the mean of its divisors is an integer number (109995994395).

Almost surely, 2^415540423253 is an apocalyptic number.

It is an amenable number.

415540423253 is a deficient number, since it is larger than the sum of its proper divisors (24443554327).

415540423253 is a wasteful number, since it uses less digits than its factorization.

415540423253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24443554326.

The product of its (nonzero) digits is 288000, while the sum is 38.

Adding to 415540423253 its reverse (352324045514), we get a palindrome (767864468767).

The spelling of 415540423253 in words is "four hundred fifteen billion, five hundred forty million, four hundred twenty-three thousand, two hundred fifty-three".