2436061021992 has 320 divisors, whose sum is σ = 7851760131600. Its totient is φ = 698988994560.

The previous prime is 2436061021987. The next prime is 2436061021993. The reversal of 2436061021992 is 2991201606342.

2436061021992 is a `hidden beast` number, since 2 + 4 + 3 + 6 + 0 + 610 + 21 + 9 + 9 + 2 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 2142962220996 + 293098800996 = 1463886^2 + 541386^2 .

It is not an unprimeable number, because it can be changed into a prime (2436061021993) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 15531642 + ... + 15687702.

Almost surely, 2^{2436061021992} 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 2436061021992, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3925880065800).

2436061021992 is an abundant number, since it is smaller than the sum of its proper divisors (5415699109608).

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

2436061021992 is a wasteful number, since it uses less digits than its factorization.

2436061021992 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156218 (or 156205 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The spelling of 2436061021992 in words is "two trillion, four hundred thirty-six billion, sixty-one million, twenty-one thousand, nine hundred ninety-two".