40642302 has 32 divisors (see below), whose sum is σ = 84280320. Its totient is φ = 13052160.

The previous prime is 40642297. The next prime is 40642309. The reversal of 40642302 is 20324604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40642309) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 65349 + ... + 65967.

It is an arithmetic number, because the mean of its divisors is an integer number (2633760).

Almost surely, 2^40642302 is an apocalyptic number.

40642302 is an abundant number, since it is smaller than the sum of its proper divisors (43638018).

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

40642302 is a wasteful number, since it uses less digits than its factorization.

40642302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 40642302 is about 6375.1315280549. The cubic root of 40642302 is about 343.8160127989.

Adding to 40642302 its reverse (20324604), we get a palindrome (60966906).

The spelling of 40642302 in words is "forty million, six hundred forty-two thousand, three hundred two".