40429213 has 16 divisors (see below), whose sum is σ = 47044800. Its totient is φ = 34336000.

The previous prime is 40429211. The next prime is 40429223. The reversal of 40429213 is 31292404.

It is a cyclic number.

It is not a de Polignac number, because 40429213 - 2¹ = 40429211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40429211) 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, 27138 + ... + 28588.

It is an arithmetic number, because the mean of its divisors is an integer number (2940300).

Almost surely, 2^40429213 is an apocalyptic number.

It is an amenable number.

40429213 is a deficient number, since it is larger than the sum of its proper divisors (6615587).

40429213 is a wasteful number, since it uses less digits than its factorization.

40429213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628.

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 40429213 is about 6358.3970464261. The cubic root of 40429213 is about 343.2140798220.

The spelling of 40429213 in words is "forty million, four hundred twenty-nine thousand, two hundred thirteen".