40975090 has 16 divisors (see below), whose sum is σ = 79428888. Its totient is φ = 15129216.

The previous prime is 40975079. The next prime is 40975093. The reversal of 40975090 is 9057904.

It can be written as a sum of positive squares in 4 ways, for example, as 15784729 + 25190361 = 3973^2 + 5019^2 .

It is not an unprimeable number, because it can be changed into a prime (40975093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157467 + ... + 157726.

Almost surely, 2^40975090 is an apocalyptic number.

40975090 is a deficient number, since it is larger than the sum of its proper divisors (38453798).

40975090 is a wasteful number, since it uses less digits than its factorization.

40975090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315213.

The product of its (nonzero) digits is 11340, while the sum is 34.

The square root of 40975090 is about 6401.1787976903. The cubic root of 40975090 is about 344.7518764831.

The spelling of 40975090 in words is "forty million, nine hundred seventy-five thousand, ninety".