40221414 has 32 divisors (see below), whose sum is σ = 90396000. Its totient is φ = 13254912.

The previous prime is 40221409. The next prime is 40221431. The reversal of 40221414 is 41412204.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 622 + ... + 8990.

It is an arithmetic number, because the mean of its divisors is an integer number (2824875).

Almost surely, 2^40221414 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40221414, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45198000).

40221414 is an abundant number, since it is smaller than the sum of its proper divisors (50174586).

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

40221414 is a wasteful number, since it uses less digits than its factorization.

40221414 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8469 (or 8463 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 40221414 is about 6342.0354776680. The cubic root of 40221414 is about 342.6250496190.

Adding to 40221414 its reverse (41412204), we get a palindrome (81633618).

The spelling of 40221414 in words is "forty million, two hundred twenty-one thousand, four hundred fourteen".