40166271847650 has 96 divisors (see below), whose sum is σ = 111938966697600. Its totient is φ = 9457209146880.

The previous prime is 40166271847643. The next prime is 40166271847651. The reversal of 40166271847650 is 5674817266104.

It is a super-2 number, since 2×40166271847650² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40166271847651) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 447739675 + ... + 447829374.

It is an arithmetic number, because the mean of its divisors is an integer number (1166030903100).

Almost surely, 2^{40166271847650} is an apocalyptic number.

40166271847650 is an abundant number, since it is smaller than the sum of its proper divisors (71772694849950).

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

40166271847650 is a wasteful number, since it uses less digits than its factorization.

40166271847650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 895569100 (or 895569095 counting only the distinct ones).

The product of its (nonzero) digits is 13547520, while the sum is 57.

The spelling of 40166271847650 in words is "forty trillion, one hundred sixty-six billion, two hundred seventy-one million, eight hundred forty-seven thousand, six hundred fifty".