40223505 has 16 divisors (see below), whose sum is σ = 73551744. Its totient is φ = 18387840.

The previous prime is 40223473. The next prime is 40223509. The reversal of 40223505 is 50532204.

It is not a de Polignac number, because 40223505 - 2⁵ = 40223473 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is not an unprimeable number, because it can be changed into a prime (40223509) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 191436 + ... + 191645.

It is an arithmetic number, because the mean of its divisors is an integer number (4596984).

Almost surely, 2^40223505 is an apocalyptic number.

It is an amenable number.

40223505 is a deficient number, since it is larger than the sum of its proper divisors (33328239).

40223505 is a wasteful number, since it uses less digits than its factorization.

40223505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 383096.

The product of its (nonzero) digits is 1200, while the sum is 21.

The square root of 40223505 is about 6342.2003279619. The cubic root of 40223505 is about 342.6309868922.

Adding to 40223505 its reverse (50532204), we get a palindrome (90755709).

The spelling of 40223505 in words is "forty million, two hundred twenty-three thousand, five hundred five".