40907641 has 4 divisors (see below), whose sum is σ = 41115492. Its totient is φ = 40699792.

The previous prime is 40907623. The next prime is 40907653. The reversal of 40907641 is 14670904.

40907641 is nontrivially palindromic in base 14.

40907641 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 35046400 + 5861241 = 5920^2 + 2421^2 .

It is a cyclic number.

It is not a de Polignac number, because 40907641 - 2⁹ = 40907129 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40907611) 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 3 ways as a sum of consecutive naturals, for example, 103630 + ... + 104023.

It is an arithmetic number, because the mean of its divisors is an integer number (10278873).

Almost surely, 2^40907641 is an apocalyptic number.

It is an amenable number.

40907641 is a deficient number, since it is larger than the sum of its proper divisors (207851).

40907641 is a wasteful number, since it uses less digits than its factorization.

40907641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207850.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 40907641 is about 6395.9081450565. The cubic root of 40907641 is about 344.5626075070.

The spelling of 40907641 in words is "forty million, nine hundred seven thousand, six hundred forty-one".