40169759 has 24 divisors (see below), whose sum is σ = 50205600. Its totient is φ = 32015424.

The previous prime is 40169747. The next prime is 40169797. The reversal of 40169759 is 95796104.

It is not a de Polignac number, because 40169759 - 2¹⁶ = 40104223 is a prime.

It is a super-2 number, since 2×40169759² = 3227219076236162, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40169729) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 483932 + ... + 484014.

It is an arithmetic number, because the mean of its divisors is an integer number (2091900).

Almost surely, 2^40169759 is an apocalyptic number.

40169759 is a gapful number since it is divisible by the number (49) formed by its first and last digit.

40169759 is a deficient number, since it is larger than the sum of its proper divisors (10035841).

40169759 is an frugal number, since it uses more digits than its factorization.

40169759 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204 (or 107 counting only the distinct ones).

The product of its (nonzero) digits is 68040, while the sum is 41.

The square root of 40169759 is about 6337.9617386034. The cubic root of 40169759 is about 342.4783128684.

The spelling of 40169759 in words is "forty million, one hundred sixty-nine thousand, seven hundred fifty-nine".