40000440220 has 48 divisors (see below), whose sum is σ = 90550212480. Its totient is φ = 14755078656.

The previous prime is 40000440209. The next prime is 40000440229. The reversal of 40000440220 is 2204400004.

It is a junction number, because it is equal to n+sod(n) for n = 40000440194 and 40000440203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40000440229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 196104 + ... + 344176.

It is an arithmetic number, because the mean of its divisors is an integer number (1886462760).

Almost surely, 2^40000440220 is an apocalyptic number.

It is an amenable number.

40000440220 is an abundant number, since it is smaller than the sum of its proper divisors (50549772260).

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

40000440220 is a wasteful number, since it uses less digits than its factorization.

40000440220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 149134 (or 149132 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 40000440220 its reverse (2204400004), we get a palindrome (42204840224).

The spelling of 40000440220 in words is "forty billion, four hundred forty thousand, two hundred twenty".