40729227 has 16 divisors (see below), whose sum is σ = 67706112. Its totient is φ = 21157920.

The previous prime is 40729223. The next prime is 40729237. The reversal of 40729227 is 72292704.

It is not a de Polignac number, because 40729227 - 2² = 40729223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (40729223) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 87928 + ... + 88389.

It is an arithmetic number, because the mean of its divisors is an integer number (4231632).

Almost surely, 2^40729227 is an apocalyptic number.

40729227 is a deficient number, since it is larger than the sum of its proper divisors (26976885).

40729227 is a wasteful number, since it uses less digits than its factorization.

40729227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 176338.

The product of its (nonzero) digits is 14112, while the sum is 33.

The square root of 40729227 is about 6381.9453930600. The cubic root of 40729227 is about 344.0609540221.

The spelling of 40729227 in words is "forty million, seven hundred twenty-nine thousand, two hundred twenty-seven".