1238426219716 has 81 divisors (see below), whose sum is σ = 2611966451367. Its totient is φ = 512265270720.

The previous prime is 1238426219713. The next prime is 1238426219717. The reversal of 1238426219716 is 6179126248321.

The square root of 1238426219716 is 1112846.

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

It can be written as a sum of positive squares in 4 ways, for example, as 42290277316 + 1196135942400 = 205646^2 + 1093680^2 .

It is not an unprimeable number, because it can be changed into a prime (1238426219713) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 451814106 + ... + 451816846.

Almost surely, 2^{1238426219716} is an apocalyptic number.

1238426219716 is the 1112846-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1238426219716

1238426219716 is an abundant number, since it is smaller than the sum of its proper divisors (1373540231651).

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

1238426219716 is an frugal number, since it uses more digits than its factorization.

1238426219716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5558 (or 2779 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 52.

The spelling of 1238426219716 in words is "one trillion, two hundred thirty-eight billion, four hundred twenty-six million, two hundred nineteen thousand, seven hundred sixteen".