40169589629 has 16 divisors (see below), whose sum is σ = 46869463872. Its totient is φ = 34086866688.

The previous prime is 40169589619. The next prime is 40169589641. The reversal of 40169589629 is 92698596104.

It is a cyclic number.

It is not a de Polignac number, because 40169589629 - 2²⁸ = 39901154173 is a prime.

It is a super-2 number, since 2×40169589629² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40169589619) 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, 2104019 + ... + 2123024.

It is an arithmetic number, because the mean of its divisors is an integer number (2929341492).

Almost surely, 2^40169589629 is an apocalyptic number.

It is an amenable number.

40169589629 is a deficient number, since it is larger than the sum of its proper divisors (6699874243).

40169589629 is a wasteful number, since it uses less digits than its factorization.

40169589629 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4227116.

The product of its (nonzero) digits is 8398080, while the sum is 59.

The spelling of 40169589629 in words is "forty billion, one hundred sixty-nine million, five hundred eighty-nine thousand, six hundred twenty-nine".