40542132 has 24 divisors (see below), whose sum is σ = 94815616. Its totient is φ = 13483008.

The previous prime is 40542119. The next prime is 40542167. The reversal of 40542132 is 23124504.

It is a junction number, because it is equal to n+sod(n) for n = 40542099 and 40542108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1908 + ... + 9204.

Almost surely, 2^40542132 is an apocalyptic number.

It is an amenable number.

40542132 is an abundant number, since it is smaller than the sum of its proper divisors (54273484).

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

40542132 is a wasteful number, since it uses less digits than its factorization.

40542132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7767 (or 7765 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 40542132 is about 6367.2703727736. The cubic root of 40542132 is about 343.5333156942.

Adding to 40542132 its reverse (23124504), we get a palindrome (63666636).

The spelling of 40542132 in words is "forty million, five hundred forty-two thousand, one hundred thirty-two".