40230478636 has 12 divisors (see below), whose sum is σ = 72831039120. Its totient is φ = 19421610320.

The previous prime is 40230478627. The next prime is 40230478637. The reversal of 40230478636 is 63687403204.

It is a happy number.

It is a super-2 number, since 2×40230478636² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 40230478592 and 40230478601.

It is not an unprimeable number, because it can be changed into a prime (40230478637) 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 3 ways as a sum of consecutive naturals, for example, 173407120 + ... + 173407351.

It is an arithmetic number, because the mean of its divisors is an integer number (6069253260).

Almost surely, 2^40230478636 is an apocalyptic number.

It is an amenable number.

40230478636 is a deficient number, since it is larger than the sum of its proper divisors (32600560484).

40230478636 is a wasteful number, since it uses less digits than its factorization.

40230478636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 346814504 (or 346814502 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 43.

The spelling of 40230478636 in words is "forty billion, two hundred thirty million, four hundred seventy-eight thousand, six hundred thirty-six".