40208820220 has 12 divisors (see below), whose sum is σ = 84438522504. Its totient is φ = 16083528080.

The previous prime is 40208820209. The next prime is 40208820241. The reversal of 40208820220 is 2202880204.

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, 1005220486 + ... + 1005220525.

It is an arithmetic number, because the mean of its divisors is an integer number (7036543542).

Almost surely, 2^40208820220 is an apocalyptic number.

It is an amenable number.

40208820220 is an abundant number, since it is smaller than the sum of its proper divisors (44229702284).

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

40208820220 is a wasteful number, since it uses less digits than its factorization.

40208820220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2010441020 (or 2010441018 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The spelling of 40208820220 in words is "forty billion, two hundred eight million, eight hundred twenty thousand, two hundred twenty".