40200004400 has 30 divisors (see below), whose sum is σ = 96580511532. Its totient is φ = 16080001600.

The previous prime is 40200004387. The next prime is 40200004423. The reversal of 40200004400 is 440000204.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50249606 + ... + 50250405.

Almost surely, 2^40200004400 is an apocalyptic number.

40200004400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40200004400 is an abundant number, since it is smaller than the sum of its proper divisors (56380507132).

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

40200004400 is a wasteful number, since it uses less digits than its factorization.

40200004400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100500029 (or 100500018 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 40200004400 its reverse (440000204), we get a palindrome (40640004604).

The spelling of 40200004400 in words is "forty billion, two hundred million, four thousand, four hundred".