40323221300000 has 72 divisors (see below), whose sum is σ = 99226576756692. Its totient is φ = 16129288480000.

The previous prime is 40323221299937. The next prime is 40323221300029. The reversal of 40323221300000 is 312232304.

It can be written as a sum of positive squares in 6 ways, for example, as 5032825612816 + 35290395687184 = 2243396^2 + 5940572^2 .

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, 201516107 + ... + 201716106.

Almost surely, 2^{40323221300000} is an apocalyptic number.

40323221300000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40323221300000 is an abundant number, since it is smaller than the sum of its proper divisors (58903355456692).

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

40323221300000 is an frugal number, since it uses more digits than its factorization.

40323221300000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403232248 (or 403232220 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

Adding to 40323221300000 its reverse (312232304), we get a palindrome (40323533532304).

The spelling of 40323221300000 in words is "forty trillion, three hundred twenty-three billion, two hundred twenty-one million, three hundred thousand".