40321143200 has 72 divisors (see below), whose sum is σ = 106005863628. Its totient is φ = 14887802880.

The previous prime is 40321143193. The next prime is 40321143223. The reversal of 40321143200 is 234112304.

It can be written as a sum of positive squares in 6 ways, for example, as 953821456 + 39367321744 = 30884^2 + 198412^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 1928117 + ... + 1948916.

Almost surely, 2^40321143200 is an apocalyptic number.

40321143200 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40321143200 is an abundant number, since it is smaller than the sum of its proper divisors (65684720428).

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

40321143200 is a wasteful number, since it uses less digits than its factorization.

40321143200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3877066 (or 3877053 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

Adding to 40321143200 its reverse (234112304), we get a palindrome (40555255504).

The spelling of 40321143200 in words is "forty billion, three hundred twenty-one million, one hundred forty-three thousand, two hundred".