40771155 has 16 divisors (see below), whose sum is σ = 65598624. Its totient is φ = 21623040.

The previous prime is 40771139. The next prime is 40771163. The reversal of 40771155 is 55117704.

It is not a de Polignac number, because 40771155 - 2⁴ = 40771139 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4794 + ... + 10223.

It is an arithmetic number, because the mean of its divisors is an integer number (4099914).

Almost surely, 2^40771155 is an apocalyptic number.

40771155 is a deficient number, since it is larger than the sum of its proper divisors (24827469).

40771155 is a wasteful number, since it uses less digits than its factorization.

40771155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15206.

The product of its (nonzero) digits is 4900, while the sum is 30.

The square root of 40771155 is about 6385.2294398870. The cubic root of 40771155 is about 344.1789760704.

Adding to 40771155 its reverse (55117704), we get a palindrome (95888859).

The spelling of 40771155 in words is "forty million, seven hundred seventy-one thousand, one hundred fifty-five".