40132641 has 16 divisors (see below), whose sum is σ = 54190080. Its totient is φ = 26418000.

The previous prime is 40132633. The next prime is 40132649. The reversal of 40132641 is 14623104.

It is an interprime number because it is at equal distance from previous prime (40132633) and next prime (40132649).

It is not a de Polignac number, because 40132641 - 2³ = 40132633 is a prime.

It is a super-2 number, since 2×40132641² = 3221257747269762, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40132649) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 159766 + ... + 160016.

It is an arithmetic number, because the mean of its divisors is an integer number (3386880).

Almost surely, 2^40132641 is an apocalyptic number.

It is an amenable number.

40132641 is a deficient number, since it is larger than the sum of its proper divisors (14057439).

40132641 is a wasteful number, since it uses less digits than its factorization.

40132641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 716.

The product of its (nonzero) digits is 576, while the sum is 21.

The square root of 40132641 is about 6335.0328333798. The cubic root of 40132641 is about 342.3727937930.

Adding to 40132641 its reverse (14623104), we get a palindrome (54755745).

The spelling of 40132641 in words is "forty million, one hundred thirty-two thousand, six hundred forty-one".