40235552220 has 48 divisors (see below), whose sum is σ = 113519564928. Its totient is φ = 10647574080.

The previous prime is 40235552219. The next prime is 40235552257. The reversal of 40235552220 is 2225553204.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent 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, 2551654 + ... + 2567373.

It is an arithmetic number, because the mean of its divisors is an integer number (2364990936).

Almost surely, 2^40235552220 is an apocalyptic number.

It is an amenable number.

40235552220 is an abundant number, since it is smaller than the sum of its proper divisors (73284012708).

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

40235552220 is a wasteful number, since it uses less digits than its factorization.

40235552220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5119170 (or 5119168 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 30.

The spelling of 40235552220 in words is "forty billion, two hundred thirty-five million, five hundred fifty-two thousand, two hundred twenty".