1338266432 has 14 divisors (see below), whose sum is σ = 2655622578. Its totient is φ = 669133184.

The previous prime is 1338266411. The next prime is 1338266453. The reversal of 1338266432 is 2346628331.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1338266411) and next prime (1338266453).

It can be written as a sum of positive squares in only one way, i.e., 1317980416 + 20286016 = 36304^2 + 4504^2 .

It is a super-3 number, since 3×1338266432³ (a number of 28 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10455143 + ... + 10455270.

It is an arithmetic number, because the mean of its divisors is an integer number (189687327).

Almost surely, 2^1338266432 is an apocalyptic number.

It is an amenable number.

1338266432 is a deficient number, since it is larger than the sum of its proper divisors (1317356146).

1338266432 is an equidigital number, since it uses as much as digits as its factorization.

1338266432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20910425 (or 20910415 counting only the distinct ones).

The product of its digits is 124416, while the sum is 38.

The square root of 1338266432 is about 36582.3240377098. The cubic root of 1338266432 is about 1101.9981400996.

The spelling of 1338266432 in words is "one billion, three hundred thirty-eight million, two hundred sixty-six thousand, four hundred thirty-two".