40951155 has 64 divisors (see below), whose sum is σ = 80805888. Its totient is φ = 17297280.

The previous prime is 40951153. The next prime is 40951159. The reversal of 40951155 is 55115904.

It is not a de Polignac number, because 40951155 - 2¹ = 40951153 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40951153) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 74592 + ... + 75138.

It is an arithmetic number, because the mean of its divisors is an integer number (1262592).

Almost surely, 2^40951155 is an apocalyptic number.

40951155 is a deficient number, since it is larger than the sum of its proper divisors (39854733).

40951155 is a wasteful number, since it uses less digits than its factorization.

40951155 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616.

The product of its (nonzero) digits is 4500, while the sum is 30.

The square root of 40951155 is about 6399.3089470661. The cubic root of 40951155 is about 344.6847361516.

The spelling of 40951155 in words is "forty million, nine hundred fifty-one thousand, one hundred fifty-five".