40201597999860 has 384 divisors, whose sum is σ = 131561940787200. Its totient is φ = 9069712404480.

The previous prime is 40201597999859. The next prime is 40201597999889. The reversal of 40201597999860 is 6899979510204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 195057024 + ... + 195263016.

It is an arithmetic number, because the mean of its divisors is an integer number (342609220800).

Almost surely, 2^{40201597999860} 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 40201597999860, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65780970393600).

40201597999860 is an abundant number, since it is smaller than the sum of its proper divisors (91360342787340).

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

40201597999860 is a wasteful number, since it uses less digits than its factorization.

40201597999860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206311 (or 206309 counting only the distinct ones).

The product of its (nonzero) digits is 88179840, while the sum is 69.

The spelling of 40201597999860 in words is "forty trillion, two hundred one billion, five hundred ninety-seven million, nine hundred ninety-nine thousand, eight hundred sixty".