40166532 has 72 divisors (see below), whose sum is σ = 122158400. Its totient is φ = 10870848.

The previous prime is 40166521. The next prime is 40166543. The reversal of 40166532 is 23566104.

40166532 is a `hidden beast` number, since 4 + 0 + 1 + 6 + 653 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (40166521) and next prime (40166543).

It is a super-2 number, since 2×40166532² = 3226700585814048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40166496 and 40166505.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 594 + ... + 8982.

Almost surely, 2^40166532 is an apocalyptic number.

40166532 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40166532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61079200).

40166532 is an abundant number, since it is smaller than the sum of its proper divisors (81991868).

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

40166532 is a wasteful number, since it uses less digits than its factorization.

40166532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8425 (or 8420 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 40166532 is about 6337.7071563776. The cubic root of 40166532 is about 342.4691417312.

The spelling of 40166532 in words is "forty million, one hundred sixty-six thousand, five hundred thirty-two".