40223434 has 8 divisors (see below), whose sum is σ = 60396768. Its totient is φ = 20091180.

The previous prime is 40223431. The next prime is 40223441. The reversal of 40223434 is 43432204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (40223431) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7692 + ... + 11815.

It is an arithmetic number, because the mean of its divisors is an integer number (7549596).

Almost surely, 2^40223434 is an apocalyptic number.

40223434 is a deficient number, since it is larger than the sum of its proper divisors (20173334).

40223434 is a wasteful number, since it uses less digits than its factorization.

40223434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20540.

The product of its (nonzero) digits is 2304, while the sum is 22.

The square root of 40223434 is about 6342.1947305330. The cubic root of 40223434 is about 342.6307852952.

Adding to 40223434 its reverse (43432204), we get a palindrome (83655638).

The spelling of 40223434 in words is "forty million, two hundred twenty-three thousand, four hundred thirty-four".