40022320401 has 72 divisors (see below), whose sum is σ = 72771701184. Its totient is φ = 21875404320.

The previous prime is 40022320381. The next prime is 40022320427. The reversal of 40022320401 is 10402322004.

40022320401 is a `hidden beast` number, since 40 + 0 + 223 + 2 + 0 + 401 = 666.

It is not a de Polignac number, because 40022320401 - 2⁹ = 40022319889 is a prime.

It is a super-2 number, since 2×40022320401² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40022520401) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 200791 + ... + 346931.

It is an arithmetic number, because the mean of its divisors is an integer number (1010718072).

Almost surely, 2^40022320401 is an apocalyptic number.

It is an amenable number.

40022320401 is a deficient number, since it is larger than the sum of its proper divisors (32749380783).

40022320401 is a wasteful number, since it uses less digits than its factorization.

40022320401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146193 (or 146174 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

Adding to 40022320401 its reverse (10402322004), we get a palindrome (50424642405).

The spelling of 40022320401 in words is "forty billion, twenty-two million, three hundred twenty thousand, four hundred one".