40690132 has 24 divisors (see below), whose sum is σ = 84188160. Its totient is φ = 16836960.

The previous prime is 40690123. The next prime is 40690147. The reversal of 40690132 is 23109604.

40690132 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 40690097 and 40690106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24244 + ... + 25867.

It is an arithmetic number, because the mean of its divisors is an integer number (3507840).

Almost surely, 2^40690132 is an apocalyptic number.

It is an amenable number.

40690132 is an abundant number, since it is smaller than the sum of its proper divisors (43498028).

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

40690132 is a wasteful number, since it uses less digits than its factorization.

40690132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50151 (or 50149 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

The square root of 40690132 is about 6378.8817201764. The cubic root of 40690132 is about 343.9508335176.

Adding to 40690132 its reverse (23109604), we get a palindrome (63799736).

The spelling of 40690132 in words is "forty million, six hundred ninety thousand, one hundred thirty-two".