40717629 has 12 divisors (see below), whose sum is σ = 59336316. Its totient is φ = 26904192.

The previous prime is 40717619. The next prime is 40717637. The reversal of 40717629 is 92671704.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13155129 + 27562500 = 3627^2 + 5250^2 .

It is not a de Polignac number, because 40717629 - 2⁸ = 40717373 is a prime.

It is a super-2 number, since 2×40717629² = 3315850622763282, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40717593 and 40717602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40717619) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19002 + ... + 21035.

It is an arithmetic number, because the mean of its divisors is an integer number (4944693).

Almost surely, 2^40717629 is an apocalyptic number.

It is an amenable number.

40717629 is a deficient number, since it is larger than the sum of its proper divisors (18618687).

40717629 is a wasteful number, since it uses less digits than its factorization.

40717629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40156 (or 40153 counting only the distinct ones).

The product of its (nonzero) digits is 21168, while the sum is 36.

The square root of 40717629 is about 6381.0366712628. The cubic root of 40717629 is about 344.0282928100.

The spelling of 40717629 in words is "forty million, seven hundred seventeen thousand, six hundred twenty-nine".