1338417550 has 12 divisors (see below), whose sum is σ = 2489456736. Its totient is φ = 535367000.

The previous prime is 1338417523. The next prime is 1338417557. The reversal of 1338417550 is 557148331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1338417557) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 13384126 + ... + 13384225.

It is an arithmetic number, because the mean of its divisors is an integer number (207454728).

Almost surely, 2^1338417550 is an apocalyptic number.

1338417550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1338417550 is a deficient number, since it is larger than the sum of its proper divisors (1151039186).

1338417550 is a wasteful number, since it uses less digits than its factorization.

1338417550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26768363 (or 26768358 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 37.

The square root of 1338417550 is about 36584.3894304661. The cubic root of 1338417550 is about 1102.0396180104.

The spelling of 1338417550 in words is "one billion, three hundred thirty-eight million, four hundred seventeen thousand, five hundred fifty".