1338037240 has 32 divisors (see below), whose sum is σ = 3020885280. Its totient is φ = 533383552.

The previous prime is 1338037231. The next prime is 1338037279. The reversal of 1338037240 is 427308331.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 45364 + ... + 68803.

It is an arithmetic number, because the mean of its divisors is an integer number (94402665).

Almost surely, 2^1338037240 is an apocalyptic number.

1338037240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1338037240 is an abundant number, since it is smaller than the sum of its proper divisors (1682848040).

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

1338037240 is a wasteful number, since it uses less digits than its factorization.

1338037240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114471 (or 114467 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 1338037240 is about 36579.1913524616. The cubic root of 1338037240 is about 1101.9352269727.

The spelling of 1338037240 in words is "one billion, three hundred thirty-eight million, thirty-seven thousand, two hundred forty".