40221302004 has 60 divisors (see below), whose sum is σ = 113234627044. Its totient is φ = 12375783936.

The previous prime is 40221301999. The next prime is 40221302041. The reversal of 40221302004 is 40020312204.

40221302004 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 6604812900 + 33616489104 = 81270^2 + 183348^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4770397 + ... + 4778820.

Almost surely, 2^40221302004 is an apocalyptic number.

It is an amenable number.

40221302004 is an abundant number, since it is smaller than the sum of its proper divisors (73013325040).

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

40221302004 is a wasteful number, since it uses less digits than its factorization.

40221302004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9549246 (or 9549235 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 40221302004 its reverse (40020312204), we get a palindrome (80241614208).

It can be divided in two parts, 40221 and 302004, that added together give a square (342225 = 585²).

The spelling of 40221302004 in words is "forty billion, two hundred twenty-one million, three hundred two thousand, four".