1348838775640 has 32 divisors (see below), whose sum is σ = 3035140458480. Its totient is φ = 539490494592.

The previous prime is 1348838775589. The next prime is 1348838775649. The reversal of 1348838775640 is 465778388431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1348838775649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 919242 + ... + 1882201.

Almost surely, 2^{1348838775640} is an apocalyptic number.

1348838775640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1348838775640 is an abundant number, since it is smaller than the sum of its proper divisors (1686301682840).

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

1348838775640 is a wasteful number, since it uses less digits than its factorization.

1348838775640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2813491 (or 2813487 counting only the distinct ones).

The product of its (nonzero) digits is 108380160, while the sum is 64.

The spelling of 1348838775640 in words is "one trillion, three hundred forty-eight billion, eight hundred thirty-eight million, seven hundred seventy-five thousand, six hundred forty".