40344029 has 16 divisors (see below), whose sum is σ = 44914176. Its totient is φ = 35934000.

The previous prime is 40343999. The next prime is 40344037. The reversal of 40344029 is 92044304.

It is a cyclic number.

It is not a de Polignac number, because 40344029 - 2¹² = 40339933 is a prime.

It is a Duffinian number.

It is a plaindrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 40343989 and 40344007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40344229) 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, 177614 + ... + 177840.

It is an arithmetic number, because the mean of its divisors is an integer number (2807136).

Almost surely, 2^40344029 is an apocalyptic number.

It is an amenable number.

40344029 is a deficient number, since it is larger than the sum of its proper divisors (4570147).

40344029 is a wasteful number, since it uses less digits than its factorization.

40344029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 496.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 40344029 is about 6351.6949706358. The cubic root of 40344029 is about 342.9728606338.

The spelling of 40344029 in words is "forty million, three hundred forty-four thousand, twenty-nine".