40132406 has 8 divisors (see below), whose sum is σ = 60531744. Its totient is φ = 19955160.

The previous prime is 40132403. The next prime is 40132429. The reversal of 40132406 is 60423104.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×40132406² = 3221220022697672, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40132403) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55070 + ... + 55793.

It is an arithmetic number, because the mean of its divisors is an integer number (7566468).

Almost surely, 2^40132406 is an apocalyptic number.

40132406 is a deficient number, since it is larger than the sum of its proper divisors (20399338).

40132406 is a wasteful number, since it uses less digits than its factorization.

40132406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111046.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 40132406 is about 6335.0142856982. The cubic root of 40132406 is about 342.3721255276.

The spelling of 40132406 in words is "forty million, one hundred thirty-two thousand, four hundred six".