40532131 has 8 divisors (see below), whose sum is σ = 44076960. Its totient is φ = 37116288.

The previous prime is 40532117. The next prime is 40532171. The reversal of 40532131 is 13123504.

40532131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 40532131 - 2⁵ = 40532099 is a prime.

It is a super-2 number, since 2×40532131² = 3285707286802322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40532099 and 40532108.

It is not an unprimeable number, because it can be changed into a prime (40532171) by changing a digit.

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, 31591 + ... + 32848.

It is an arithmetic number, because the mean of its divisors is an integer number (5509620).

Almost surely, 2^40532131 is an apocalyptic number.

40532131 is a deficient number, since it is larger than the sum of its proper divisors (3544829).

40532131 is a wasteful number, since it uses less digits than its factorization.

40532131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64493.

The product of its (nonzero) digits is 360, while the sum is 19.

The square root of 40532131 is about 6366.4849799556. The cubic root of 40532131 is about 343.5050655829.

Adding to 40532131 its reverse (13123504), we get a palindrome (53655635).

The spelling of 40532131 in words is "forty million, five hundred thirty-two thousand, one hundred thirty-one".