40224429 has 24 divisors (see below), whose sum is σ = 66648192. Its totient is φ = 22900320.

The previous prime is 40224427. The next prime is 40224449. The reversal of 40224429 is 92442204.

It is not a de Polignac number, because 40224429 - 2¹ = 40224427 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40224427) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18567 + ... + 20619.

It is an arithmetic number, because the mean of its divisors is an integer number (2777008).

Almost surely, 2^40224429 is an apocalyptic number.

It is an amenable number.

40224429 is a deficient number, since it is larger than the sum of its proper divisors (26423763).

40224429 is a wasteful number, since it uses less digits than its factorization.

40224429 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2377 (or 2374 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 27.

The square root of 40224429 is about 6342.2731729247. The cubic root of 40224429 is about 342.6336104710.

The spelling of 40224429 in words is "forty million, two hundred twenty-four thousand, four hundred twenty-nine".