1338007971450 has 24 divisors (see below), whose sum is σ = 3318259769568. Its totient is φ = 356802125680.

The previous prime is 1338007971319. The next prime is 1338007971457. The reversal of 1338007971450 is 541797008331.

It is a self number, because there is not a number n which added to its sum of digits gives 1338007971450.

It is not an unprimeable number, because it can be changed into a prime (1338007971457) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4460026422 + ... + 4460026721.

It is an arithmetic number, because the mean of its divisors is an integer number (138260823732).

Almost surely, 2^{1338007971450} is an apocalyptic number.

1338007971450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1338007971450 is an abundant number, since it is smaller than the sum of its proper divisors (1980251798118).

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

1338007971450 is a wasteful number, since it uses less digits than its factorization.

1338007971450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8920053158 (or 8920053153 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 48.

The spelling of 1338007971450 in words is "one trillion, three hundred thirty-eight billion, seven million, nine hundred seventy-one thousand, four hundred fifty".