1338074550 has 72 divisors (see below), whose sum is σ = 3600324624. Its totient is φ = 356287680.

The previous prime is 1338074513. The next prime is 1338074557. The reversal of 1338074550 is 554708331.

1338074550 is a `hidden beast` number, since 1 + 3 + 38 + 0 + 74 + 550 = 666.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338074557) 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 35 ways as a sum of consecutive naturals, for example, 368544 + ... + 372156.

Almost surely, 2^1338074550 is an apocalyptic number.

1338074550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1338074550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1800162312).

1338074550 is an abundant number, since it is smaller than the sum of its proper divisors (2262250074).

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

1338074550 is a wasteful number, since it uses less digits than its factorization.

1338074550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4454 (or 4446 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 1338074550 is about 36579.7013383106. The cubic root of 1338074550 is about 1101.9454690447.

The spelling of 1338074550 in words is "one billion, three hundred thirty-eight million, seventy-four thousand, five hundred fifty".