40200244420 has 48 divisors (see below), whose sum is σ = 102155921280. Its totient is φ = 12972178944.

The previous prime is 40200244391. The next prime is 40200244477. The reversal of 40200244420 is 2444200204.

It is a super-2 number, since 2×40200244420² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40200244391 and 40200244400.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8443050 + ... + 8447809.

It is an arithmetic number, because the mean of its divisors is an integer number (2128248360).

Almost surely, 2^40200244420 is an apocalyptic number.

It is an amenable number.

40200244420 is an abundant number, since it is smaller than the sum of its proper divisors (61955676860).

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

40200244420 is a wasteful number, since it uses less digits than its factorization.

40200244420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16890892 (or 16890890 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 22.

Adding to 40200244420 its reverse (2444200204), we get a palindrome (42644444624).

The spelling of 40200244420 in words is "forty billion, two hundred million, two hundred forty-four thousand, four hundred twenty".