40002420224 has 40 divisors (see below), whose sum is σ = 86074933560. Its totient is φ = 18462652416.

The previous prime is 40002420221. The next prime is 40002420281. The reversal of 40002420224 is 42202420004.

It is a super-3 number, since 3×40002420224³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40002420196 and 40002420205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40002420221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2998334 + ... + 3011645.

It is an arithmetic number, because the mean of its divisors is an integer number (2151873339).

Almost surely, 2^40002420224 is an apocalyptic number.

It is an amenable number.

40002420224 is an abundant number, since it is smaller than the sum of its proper divisors (46072513336).

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

40002420224 is an equidigital number, since it uses as much as digits as its factorization.

40002420224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6010010 (or 6009994 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 40002420224 its reverse (42202420004), we get a palindrome (82204840228).

The spelling of 40002420224 in words is "forty billion, two million, four hundred twenty thousand, two hundred twenty-four".