40204200320 has 96 divisors (see below), whose sum is σ = 102099923280. Its totient is φ = 15135629312.

The previous prime is 40204200293. The next prime is 40204200331. The reversal of 40204200320 is 2300240204.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 76277 + ... + 293643.

Almost surely, 2^40204200320 is an apocalyptic number.

40204200320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40204200320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (51049961640).

40204200320 is an abundant number, since it is smaller than the sum of its proper divisors (61895722960).

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

40204200320 is a wasteful number, since it uses less digits than its factorization.

40204200320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 217420 (or 217391 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

Adding to 40204200320 its reverse (2300240204), we get a palindrome (42504440524).

The spelling of 40204200320 in words is "forty billion, two hundred four million, two hundred thousand, three hundred twenty".