40569370 has 16 divisors (see below), whose sum is σ = 76868640. Its totient is φ = 15373584.

The previous prime is 40569317. The next prime is 40569379. The reversal of 40569370 is 7396504.

It is not an unprimeable number, because it can be changed into a prime (40569379) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106572 + ... + 106951.

It is an arithmetic number, because the mean of its divisors is an integer number (4804290).

Almost surely, 2^40569370 is an apocalyptic number.

40569370 is a deficient number, since it is larger than the sum of its proper divisors (36299270).

40569370 is a wasteful number, since it uses less digits than its factorization.

40569370 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213549.

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 40569370 is about 6369.4089207712. The cubic root of 40569370 is about 343.6102321040.

The spelling of 40569370 in words is "forty million, five hundred sixty-nine thousand, three hundred seventy".