40421302 has 16 divisors (see below), whose sum is σ = 63192960. Its totient is φ = 19367488.

The previous prime is 40421299. The next prime is 40421309. The reversal of 40421302 is 20312404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40421309) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5403 + ... + 10489.

It is an arithmetic number, because the mean of its divisors is an integer number (3949560).

Almost surely, 2^40421302 is an apocalyptic number.

40421302 is a deficient number, since it is larger than the sum of its proper divisors (22771658).

40421302 is a wasteful number, since it uses less digits than its factorization.

40421302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5255.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 40421302 is about 6357.7749252392. The cubic root of 40421302 is about 343.1916921845.

Adding to 40421302 its reverse (20312404), we get a palindrome (60733706).

The spelling of 40421302 in words is "forty million, four hundred twenty-one thousand, three hundred two".