69257396224 has 63 divisors (see below), whose sum is σ = 139055791357.
Its totient is φ = 34493956096.
The previous prime is 69257396209. The next prime is 69257396249. The reversal of 69257396224 is 42269375296.
The square root of 69257396224 is 263168.
It is a perfect power (a square), and thus also a powerful number.
It can be written as a sum of positive squares in only one way, i.e., 68183654400 + 1073741824 = 261120^2 + 32768^2
It is a Duffinian number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (3) of ones.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 269483904 + ... + 269484160.
Almost surely, 269257396224 is an apocalyptic number.
69257396224 is a gapful number since it is divisible by the number (64) formed by its first and last digit.
69257396224 is the 263168-th square number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 69257396224
69257396224 is an abundant number, since it is smaller than the sum of its proper divisors (69798395133).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69257396224 is an frugal number, since it uses more digits than its factorization.
69257396224 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 554 (or 259 counting only the distinct ones).
The product of its digits is 9797760, while the sum is 55.
The spelling of 69257396224 in words is "sixty-nine billion, two hundred fifty-seven million, three hundred ninety-six thousand, two hundred twenty-four".