40322410221 has 16 divisors (see below), whose sum is σ = 54866116800. Its totient is φ = 26335698048.

The previous prime is 40322410217. The next prime is 40322410237. The reversal of 40322410221 is 12201422304.

It is not a de Polignac number, because 40322410221 - 2² = 40322410217 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40322410021) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 663651 + ... + 721856.

It is an arithmetic number, because the mean of its divisors is an integer number (3429132300).

Almost surely, 2^40322410221 is an apocalyptic number.

It is an amenable number.

40322410221 is a deficient number, since it is larger than the sum of its proper divisors (14543706579).

40322410221 is a wasteful number, since it uses less digits than its factorization.

40322410221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1385708.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 40322410221 its reverse (12201422304), we get a palindrome (52523832525).

The spelling of 40322410221 in words is "forty billion, three hundred twenty-two million, four hundred ten thousand, two hundred twenty-one".