13299322779400 has 384 divisors, whose sum is σ = 37122945408000. Its totient is φ = 4425873177600.

The previous prime is 13299322779377. The next prime is 13299322779451. The reversal of 13299322779400 is 497722399231.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1093958122 + ... + 1093970278.

It is an arithmetic number, because the mean of its divisors is an integer number (96674337000).

Almost surely, 2^{13299322779400} is an apocalyptic number.

13299322779400 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13299322779400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18561472704000).

13299322779400 is an abundant number, since it is smaller than the sum of its proper divisors (23823622628600).

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

13299322779400 is a wasteful number, since it uses less digits than its factorization.

13299322779400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12662 (or 12639 counting only the distinct ones).

The product of its (nonzero) digits is 10287648, while the sum is 58.

The spelling of 13299322779400 in words is "thirteen trillion, two hundred ninety-nine billion, three hundred twenty-two million, seven hundred seventy-nine thousand, four hundred".