40040020502 has 8 divisors (see below), whose sum is σ = 60081481512. Its totient is φ = 20012860000.

The previous prime is 40040020459. The next prime is 40040020513. The reversal of 40040020502 is 20502004004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3568124 + ... + 3579327.

It is an arithmetic number, because the mean of its divisors is an integer number (7510185189).

Almost surely, 2^40040020502 is an apocalyptic number.

40040020502 is a deficient number, since it is larger than the sum of its proper divisors (20041461010).

40040020502 is a wasteful number, since it uses less digits than its factorization.

40040020502 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7150254.

The product of its (nonzero) digits is 320, while the sum is 17.

Adding to 40040020502 its reverse (20502004004), we get a palindrome (60542024506).

The spelling of 40040020502 in words is "forty billion, forty million, twenty thousand, five hundred two".