40212303 has 32 divisors (see below), whose sum is σ = 60556800. Its totient is φ = 23607936.

The previous prime is 40212281. The next prime is 40212313. The reversal of 40212303 is 30321204.

It is not a de Polignac number, because 40212303 - 2⁸ = 40212047 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40212313) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 48093 + ... + 48921.

It is an arithmetic number, because the mean of its divisors is an integer number (1892400).

Almost surely, 2^40212303 is an apocalyptic number.

40212303 is a deficient number, since it is larger than the sum of its proper divisors (20344497).

40212303 is a wasteful number, since it uses less digits than its factorization.

40212303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 911.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 40212303 is about 6341.3171344761. The cubic root of 40212303 is about 342.5991770613.

Adding to 40212303 its reverse (30321204), we get a palindrome (70533507).

The spelling of 40212303 in words is "forty million, two hundred twelve thousand, three hundred three".