40506132 has 12 divisors (see below), whose sum is σ = 94514336. Its totient is φ = 13502040.

The previous prime is 40506101. The next prime is 40506143. The reversal of 40506132 is 23160504.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 40506099 and 40506108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1687744 + ... + 1687767.

Almost surely, 2^40506132 is an apocalyptic number.

It is an amenable number.

40506132 is an abundant number, since it is smaller than the sum of its proper divisors (54008204).

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

40506132 is a wasteful number, since it uses less digits than its factorization.

40506132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3375518 (or 3375516 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 40506132 is about 6364.4427878645. The cubic root of 40506132 is about 343.4316037129.

Adding to 40506132 its reverse (23160504), we get a palindrome (63666636).

The spelling of 40506132 in words is "forty million, five hundred six thousand, one hundred thirty-two".