40220420304 has 20 divisors (see below), whose sum is σ = 103902752576. Its totient is φ = 13406806752.

The previous prime is 40220420269. The next prime is 40220420311. The reversal of 40220420304 is 40302402204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 418962664 + ... + 418962759.

Almost surely, 2^40220420304 is an apocalyptic number.

It is an amenable number.

40220420304 is an abundant number, since it is smaller than the sum of its proper divisors (63682332272).

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

40220420304 is a wasteful number, since it uses less digits than its factorization.

40220420304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 837925434 (or 837925428 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

Adding to 40220420304 its reverse (40302402204), we get a palindrome (80522822508).

The spelling of 40220420304 in words is "forty billion, two hundred twenty million, four hundred twenty thousand, three hundred four".