40702165220 has 48 divisors (see below), whose sum is σ = 86067645888. Its totient is φ = 16168014720.

The previous prime is 40702165219. The next prime is 40702165241. The reversal of 40702165220 is 2256120704.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9326759 + ... + 9331121.

It is an arithmetic number, because the mean of its divisors is an integer number (1793075956).

Almost surely, 2^40702165220 is an apocalyptic number.

It is an amenable number.

40702165220 is an abundant number, since it is smaller than the sum of its proper divisors (45365480668).

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

40702165220 is a wasteful number, since it uses less digits than its factorization.

40702165220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7500 (or 7498 counting only the distinct ones).

The product of its (nonzero) digits is 6720, while the sum is 29.

Adding to 40702165220 its reverse (2256120704), we get a palindrome (42958285924).

The spelling of 40702165220 in words is "forty billion, seven hundred two million, one hundred sixty-five thousand, two hundred twenty".