13834085990400 has 1920 divisors, whose sum is σ = 57085429632000. Its totient is φ = 3261490790400.

The previous prime is 13834085990383. The next prime is 13834085990401. The reversal of 13834085990400 is 409958043831.

13834085990400 is a `hidden beast` number, since 1 + 3 + 8 + 3 + 4 + 0 + 8 + 599 + 0 + 40 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1920).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13834085990401) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 142619443152 + ... + 142619443248.

It is an arithmetic number, because the mean of its divisors is an integer number (29731994600).

Almost surely, 2^{13834085990400} is an apocalyptic number.

13834085990400 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 13834085990400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (28542714816000).

13834085990400 is an abundant number, since it is smaller than the sum of its proper divisors (43251343641600).

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

13834085990400 is an frugal number, since it uses more digits than its factorization.

13834085990400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198 (or 151 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 13834085990400 in words is "thirteen trillion, eight hundred thirty-four billion, eighty-five million, nine hundred ninety thousand, four hundred".