40271690 has 16 divisors (see below), whose sum is σ = 73572192. Its totient is φ = 15867984.

The previous prime is 40271687. The next prime is 40271713. The reversal of 40271690 is 9617204.

It is a super-2 number, since 2×40271690² = 3243618030912200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29384 + ... + 30723.

It is an arithmetic number, because the mean of its divisors is an integer number (4598262).

Almost surely, 2^40271690 is an apocalyptic number.

40271690 is a deficient number, since it is larger than the sum of its proper divisors (33300502).

40271690 is a wasteful number, since it uses less digits than its factorization.

40271690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60181.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 40271690 is about 6345.9979514652. The cubic root of 40271690 is about 342.7677484366.

Adding to 40271690 its reverse (9617204), we get a palindrome (49888894).

The spelling of 40271690 in words is "forty million, two hundred seventy-one thousand, six hundred ninety".