40040675 has 6 divisors (see below), whose sum is σ = 49650468. Its totient is φ = 32032520.

The previous prime is 40040669. The next prime is 40040681. The reversal of 40040675 is 57604004.

It is an interprime number because it is at equal distance from previous prime (40040669) and next prime (40040681).

It is not a de Polignac number, because 40040675 - 2¹⁰ = 40039651 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 800789 + ... + 800838.

It is an arithmetic number, because the mean of its divisors is an integer number (8275078).

Almost surely, 2^40040675 is an apocalyptic number.

40040675 is a deficient number, since it is larger than the sum of its proper divisors (9609793).

40040675 is a wasteful number, since it uses less digits than its factorization.

40040675 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1601637 (or 1601632 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 26.

The square root of 40040675 is about 6327.7701443716. The cubic root of 40040675 is about 342.1110721841. Note that the first 3 decimals are identical.

Adding to 40040675 its reverse (57604004), we get a palindrome (97644679).

The spelling of 40040675 in words is "forty million, forty thousand, six hundred seventy-five".