1236944396160 has 1152 divisors, whose sum is σ = 5114029284000. Its totient is φ = 274201804800.

The previous prime is 1236944396113. The next prime is 1236944396203. The reversal of 1236944396160 is 616934496321.

It is a happy number.

1236944396160 is a `hidden beast` number, since 1 + 2 + 3 + 6 + 94 + 4 + 396 + 160 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a junction number, because it is equal to n+sod(n) for n = 1236944396097 and 1236944396106.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 384023350 + ... + 384026570.

Almost surely, 2^{1236944396160} is an apocalyptic number.

1236944396160 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 1236944396160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2557014642000).

1236944396160 is an abundant number, since it is smaller than the sum of its proper divisors (3877084887840).

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

1236944396160 is a wasteful number, since it uses less digits than its factorization.

1236944396160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3316 (or 3290 counting only the distinct ones).

The product of its (nonzero) digits is 5038848, while the sum is 54.

The spelling of 1236944396160 in words is "one trillion, two hundred thirty-six billion, nine hundred forty-four million, three hundred ninety-six thousand, one hundred sixty".