1331893219400 has 48 divisors (see below), whose sum is σ = 3196543741440. Its totient is φ = 515571566400.

The previous prime is 1331893219399. The next prime is 1331893219403. The reversal of 1331893219400 is 49123981331.

It is not an unprimeable number, because it can be changed into a prime (1331893219403) 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, 107404544 + ... + 107416943.

It is an arithmetic number, because the mean of its divisors is an integer number (66594661280).

Almost surely, 2^{1331893219400} is an apocalyptic number.

1331893219400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1331893219400 is an abundant number, since it is smaller than the sum of its proper divisors (1864650522040).

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

1331893219400 is a wasteful number, since it uses less digits than its factorization.

1331893219400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214821534 (or 214821525 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 44.

The spelling of 1331893219400 in words is "one trillion, three hundred thirty-one billion, eight hundred ninety-three million, two hundred nineteen thousand, four hundred".