40303542 has 16 divisors (see below), whose sum is σ = 80961840. Its totient is φ = 13375392.

The previous prime is 40303537. The next prime is 40303547. The reversal of 40303542 is 24530304.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40303537) and next prime (40303547).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40303547) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13293 + ... + 16040.

It is an arithmetic number, because the mean of its divisors is an integer number (5060115).

Almost surely, 2^40303542 is an apocalyptic number.

40303542 is an abundant number, since it is smaller than the sum of its proper divisors (40658298).

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

40303542 is a wasteful number, since it uses less digits than its factorization.

40303542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29567.

The product of its (nonzero) digits is 1440, while the sum is 21.

The square root of 40303542 is about 6348.5070685949. The cubic root of 40303542 is about 342.8580928049.

Adding to 40303542 its reverse (24530304), we get a palindrome (64833846).

The spelling of 40303542 in words is "forty million, three hundred three thousand, five hundred forty-two".