40694955 has 32 divisors (see below), whose sum is σ = 75686400. Its totient is φ = 18285312.

The previous prime is 40694939. The next prime is 40694959. The reversal of 40694955 is 55949604.

It is a happy number.

It is not a de Polignac number, because 40694955 - 2⁴ = 40694939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40694959) 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, 2911 + ... + 9479.

It is an arithmetic number, because the mean of its divisors is an integer number (2365200).

Almost surely, 2^40694955 is an apocalyptic number.

40694955 is a deficient number, since it is larger than the sum of its proper divisors (34991445).

40694955 is a wasteful number, since it uses less digits than its factorization.

40694955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6643.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 40694955 is about 6379.2597532943. The cubic root of 40694955 is about 343.9644224744.

The spelling of 40694955 in words is "forty million, six hundred ninety-four thousand, nine hundred fifty-five".