40538607 has 16 divisors (see below), whose sum is σ = 57722880. Its totient is φ = 25250400.

The previous prime is 40538599. The next prime is 40538623. The reversal of 40538607 is 70683504.

It is not a de Polignac number, because 40538607 - 2³ = 40538599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40538507) 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, 4819 + ... + 10212.

It is an arithmetic number, because the mean of its divisors is an integer number (3607680).

Almost surely, 2^40538607 is an apocalyptic number.

40538607 is a deficient number, since it is larger than the sum of its proper divisors (17184273).

40538607 is a wasteful number, since it uses less digits than its factorization.

40538607 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15094.

The product of its (nonzero) digits is 20160, while the sum is 33.

The square root of 40538607 is about 6366.9935605433. The cubic root of 40538607 is about 343.5233590559.

Adding to 40538607 its reverse (70683504), we get a palindrome (111222111).

The spelling of 40538607 in words is "forty million, five hundred thirty-eight thousand, six hundred seven".