40001166150 has 144 divisors (see below), whose sum is σ = 110125857744. Its totient is φ = 9600800000.

The previous prime is 40001166131. The next prime is 40001166181. The reversal of 40001166150 is 5166110004.

It is a self number, because there is not a number n which added to its sum of digits gives 40001166150.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1822240 + ... + 1844060.

It is an arithmetic number, because the mean of its divisors is an integer number (764762901).

Almost surely, 2^40001166150 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40001166150, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55062928872).

40001166150 is an abundant number, since it is smaller than the sum of its proper divisors (70124691594).

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

40001166150 is a wasteful number, since it uses less digits than its factorization.

40001166150 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21959 (or 21943 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 24.

Adding to 40001166150 its reverse (5166110004), we get a palindrome (45167276154).

The spelling of 40001166150 in words is "forty billion, one million, one hundred sixty-six thousand, one hundred fifty".