40053221020 has 24 divisors (see below), whose sum is σ = 84140506800. Its totient is φ = 16015813632.

The previous prime is 40053220981. The next prime is 40053221029. The reversal of 40053221020 is 2012235004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40053221029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 281925 + ... + 399484.

It is an arithmetic number, because the mean of its divisors is an integer number (3505854450).

Almost surely, 2^40053221020 is an apocalyptic number.

It is an amenable number.

40053221020 is an abundant number, since it is smaller than the sum of its proper divisors (44087285780).

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

40053221020 is a wasteful number, since it uses less digits than its factorization.

40053221020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 684357 (or 684355 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

Adding to 40053221020 its reverse (2012235004), we get a palindrome (42065456024).

The spelling of 40053221020 in words is "forty billion, fifty-three million, two hundred twenty-one thousand, twenty".