40907361 has 32 divisors (see below), whose sum is σ = 63866880. Its totient is φ = 23025600.

The previous prime is 40907359. The next prime is 40907387. The reversal of 40907361 is 16370904.

It is a happy number.

It is not a de Polignac number, because 40907361 - 2¹ = 40907359 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40907341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32616 + ... + 33846.

It is an arithmetic number, because the mean of its divisors is an integer number (1995840).

Almost surely, 2^40907361 is an apocalyptic number.

40907361 is the 3693-rd octagonal number.

It is an amenable number.

40907361 is a deficient number, since it is larger than the sum of its proper divisors (22959519).

40907361 is a wasteful number, since it uses less digits than its factorization.

40907361 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 40907361 is about 6395.8862560243. The cubic root of 40907361 is about 344.5618213641.

The spelling of 40907361 in words is "forty million, nine hundred seven thousand, three hundred sixty-one".