40402630323 has 24 divisors (see below), whose sum is σ = 66432787200. Its totient is φ = 23421813360.

The previous prime is 40402630273. The next prime is 40402630339. The reversal of 40402630323 is 32303620404.

It is a happy number.

40402630323 is a `hidden beast` number, since 4 + 0 + 4 + 0 + 2 + 630 + 3 + 23 = 666.

It is not a de Polignac number, because 40402630323 - 2⁸ = 40402630067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40402630363) 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 23 ways as a sum of consecutive naturals, for example, 8869623 + ... + 8874176.

It is an arithmetic number, because the mean of its divisors is an integer number (2768032800).

Almost surely, 2^40402630323 is an apocalyptic number.

40402630323 is a deficient number, since it is larger than the sum of its proper divisors (26030156877).

40402630323 is a wasteful number, since it uses less digits than its factorization.

40402630323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17743839 (or 17743836 counting only the distinct ones).

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

The spelling of 40402630323 in words is "forty billion, four hundred two million, six hundred thirty thousand, three hundred twenty-three".