3549728059992 has 192 divisors, whose sum is σ = 10096076390400. Its totient is φ = 1125391898880.

The previous prime is 3549728059967. The next prime is 3549728060003. The reversal of 3549728059992 is 2999508279453.

3549728059992 is a `hidden beast` number, since 3 + 5 + 4 + 9 + 7 + 28 + 0 + 599 + 9 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a self number, because there is not a number n which added to its sum of digits gives 3549728059992.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 105032617 + ... + 105066407.

It is an arithmetic number, because the mean of its divisors is an integer number (52583731200).

Almost surely, 2^{3549728059992} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3549728059992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5048038195200).

3549728059992 is an abundant number, since it is smaller than the sum of its proper divisors (6546348330408).

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

3549728059992 is a wasteful number, since it uses less digits than its factorization.

3549728059992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34726 (or 34719 counting only the distinct ones).

The product of its (nonzero) digits is 440899200, while the sum is 72.

The spelling of 3549728059992 in words is "three trillion, five hundred forty-nine billion, seven hundred twenty-eight million, fifty-nine thousand, nine hundred ninety-two".