40321322332020 has 144 divisors (see below), whose sum is σ = 128928941930880. Its totient is φ = 10171907424000.

The previous prime is 40321322331977. The next prime is 40321322332087. The reversal of 40321322332020 is 2023322312304.

40321322332020 is a `hidden beast` number, since 4 + 0 + 3 + 2 + 1 + 322 + 332 + 0 + 2 + 0 = 666.

It is a super-2 number, since 2×40321322332020² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6011896 + ... + 10806735.

It is an arithmetic number, because the mean of its divisors is an integer number (895339874520).

Almost surely, 2^{40321322332020} is an apocalyptic number.

It is an amenable number.

40321322332020 is an abundant number, since it is smaller than the sum of its proper divisors (88607619598860).

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

40321322332020 is a wasteful number, since it uses less digits than its factorization.

40321322332020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16819366 (or 16819361 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 40321322332020 its reverse (2023322312304), we get a palindrome (42344644644324).

The spelling of 40321322332020 in words is "forty trillion, three hundred twenty-one billion, three hundred twenty-two million, three hundred thirty-two thousand, twenty".