40000629 has 4 divisors (see below), whose sum is σ = 53334176. Its totient is φ = 26667084.

The previous prime is 40000627. The next prime is 40000651. The reversal of 40000629 is 92600004.

40000629 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 40000629 - 2¹ = 40000627 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40000627) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6666769 + ... + 6666774.

It is an arithmetic number, because the mean of its divisors is an integer number (13333544).

Almost surely, 2^40000629 is an apocalyptic number.

It is an amenable number.

40000629 is a deficient number, since it is larger than the sum of its proper divisors (13333547).

40000629 is a wasteful number, since it uses less digits than its factorization.

40000629 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13333546.

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 40000629 is about 6324.6050469575. The cubic root of 40000629 is about 341.9969819507.

The spelling of 40000629 in words is "forty million, six hundred twenty-nine", and thus it is an aban number.