1388824325226 has 24 divisors (see below), whose sum is σ = 3240590092740. Its totient is φ = 427330561536.

The previous prime is 1388824325221. The next prime is 1388824325243. The reversal of 1388824325226 is 6225234288831.

1388824325226 is a `hidden beast` number, since 1 + 3 + 8 + 8 + 82 + 4 + 32 + 522 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1353729923001 + 35094402225 = 1163499^2 + 187335^2 .

It is not an unprimeable number, because it can be changed into a prime (1388824325221) 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 11 ways as a sum of consecutive naturals, for example, 2967573111 + ... + 2967573578.

Almost surely, 2^{1388824325226} is an apocalyptic number.

1388824325226 is an abundant number, since it is smaller than the sum of its proper divisors (1851765767514).

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

1388824325226 is a wasteful number, since it uses less digits than its factorization.

1388824325226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5935146710 (or 5935146707 counting only the distinct ones).

The product of its digits is 8847360, while the sum is 54.

The spelling of 1388824325226 in words is "one trillion, three hundred eighty-eight billion, eight hundred twenty-four million, three hundred twenty-five thousand, two hundred twenty-six".