40322021331 has 16 divisors (see below), whose sum is σ = 56908483200. Its totient is φ = 25324262208.

The previous prime is 40322021321. The next prime is 40322021351. The reversal of 40322021331 is 13312022304.

It is not a de Polignac number, because 40322021331 - 2¹³ = 40322013139 is a prime.

It is a super-2 number, since 2×40322021331² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40322021298 and 40322021307.

It is not an unprimeable number, because it can be changed into a prime (40322021321) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1965786 + ... + 1986191.

It is an arithmetic number, because the mean of its divisors is an integer number (3556780200).

Almost surely, 2^40322021331 is an apocalyptic number.

40322021331 is a deficient number, since it is larger than the sum of its proper divisors (16586461869).

40322021331 is a wasteful number, since it uses less digits than its factorization.

40322021331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3952178.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 40322021331 its reverse (13312022304), we get a palindrome (53634043635).

The spelling of 40322021331 in words is "forty billion, three hundred twenty-two million, twenty-one thousand, three hundred thirty-one".