2043217495242 has 1536 divisors, whose sum is σ = 6707183616000. Its totient is φ = 448345497600.

The previous prime is 2043217495217. The next prime is 2043217495243. The reversal of 2043217495242 is 2425947123402.

2043217495242 is a `hidden beast` number, since 2 + 0 + 432 + 174 + 9 + 5 + 2 + 42 = 666.

It is not an unprimeable number, because it can be changed into a prime (2043217495243) by changing a digit.

It is a polite number, since it can be written in 767 ways as a sum of consecutive naturals, for example, 25863512559 + ... + 25863512637.

It is an arithmetic number, because the mean of its divisors is an integer number (4366656000).

Almost surely, 2^{2043217495242} is an apocalyptic number.

2043217495242 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 2043217495242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3353591808000).

2043217495242 is an abundant number, since it is smaller than the sum of its proper divisors (4663966120758).

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

2043217495242 is a wasteful number, since it uses less digits than its factorization.

2043217495242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233 (or 216 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 45.

The spelling of 2043217495242 in words is "two trillion, forty-three billion, two hundred seventeen million, four hundred ninety-five thousand, two hundred forty-two".