415242338449 has 9 divisors (see below), whose sum is σ = 416797894857. Its totient is φ = 413692573284.

The previous prime is 415242338443. The next prime is 415242338479. The reversal of 415242338449 is 944833242514.

The square root of 415242338449 is 644393.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 415242338449 - 2⁵ = 415242338417 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (415242338443) 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 8 ways as a sum of consecutive naturals, for example, 197827602 + ... + 197829700.

Almost surely, 2^415242338449 is an apocalyptic number.

415242338449 is the 644393-rd square number.

415242338449 is the 322197-th centered octagonal number.

It is an amenable number.

415242338449 is a deficient number, since it is larger than the sum of its proper divisors (1555556408).

415242338449 is an frugal number, since it uses more digits than its factorization.

415242338449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4812 (or 2406 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 49.

Multiplying 415242338449 by its sum of digits (49), we get a square (20346874584001 = 4510751²).

The spelling of 415242338449 in words is "four hundred fifteen billion, two hundred forty-two million, three hundred thirty-eight thousand, four hundred forty-nine".