3243733970400 has 720 divisors, whose sum is σ = 14748199804800. Its totient is φ = 674021606400.

The previous prime is 3243733970363. The next prime is 3243733970429. The reversal of 3243733970400 is 40793373423.

3243733970400 is a `hidden beast` number, since 3 + 243 + 7 + 339 + 70 + 4 + 0 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (720).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 4664551 + ... + 5314649.

It is an arithmetic number, because the mean of its divisors is an integer number (20483610840).

Almost surely, 2^{3243733970400} is an apocalyptic number.

3243733970400 is a gapful number since it is divisible by the number (30) 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 3243733970400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7374099902400).

3243733970400 is an abundant number, since it is smaller than the sum of its proper divisors (11504465834400).

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

3243733970400 is a wasteful number, since it uses less digits than its factorization.

3243733970400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650149 (or 650127 counting only the distinct ones).

The product of its (nonzero) digits is 1143072, while the sum is 45.

The spelling of 3243733970400 in words is "three trillion, two hundred forty-three billion, seven hundred thirty-three million, nine hundred seventy thousand, four hundred".