40221296 has 20 divisors (see below), whose sum is σ = 81317712. Its totient is φ = 19236096.

The previous prime is 40221263. The next prime is 40221301. The reversal of 40221296 is 69212204.

40221296 is nontrivially palindromic in base 3.

40221296 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54281 + ... + 55016.

Almost surely, 2^40221296 is an apocalyptic number.

40221296 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

40221296 is an abundant number, since it is smaller than the sum of its proper divisors (41096416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40221296 is a wasteful number, since it uses less digits than its factorization.

40221296 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109328 (or 109322 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 26.

The square root of 40221296 is about 6342.0261746543. The cubic root of 40221296 is about 342.6247145587.

The spelling of 40221296 in words is "forty million, two hundred twenty-one thousand, two hundred ninety-six".