40045302 has 48 divisors (see below), whose sum is σ = 100228752. Its totient is φ = 11420160.

The previous prime is 40045301. The next prime is 40045303. The reversal of 40045302 is 20354004.

It is a happy number.

40045302 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40045301) and next prime (40045303).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40045301) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 2583 + ... + 9314.

It is an arithmetic number, because the mean of its divisors is an integer number (2088099).

Almost surely, 2^40045302 is an apocalyptic number.

40045302 is an abundant number, since it is smaller than the sum of its proper divisors (60183450).

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

40045302 is a wasteful number, since it uses less digits than its factorization.

40045302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11933 (or 11930 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 18.

The square root of 40045302 is about 6328.1357444353. The cubic root of 40045302 is about 342.1242495091.

Adding to 40045302 its reverse (20354004), we get a palindrome (60399306).

The spelling of 40045302 in words is "forty million, forty-five thousand, three hundred two".