40012423630 has 16 divisors (see below), whose sum is σ = 72151676640. Its totient is φ = 15976232992.

The previous prime is 40012423603. The next prime is 40012423637. The reversal of 40012423630 is 3632421004.

It is a junction number, because it is equal to n+sod(n) for n = 40012423595 and 40012423604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40012423637) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3586210 + ... + 3597349.

It is an arithmetic number, because the mean of its divisors is an integer number (4509479790).

Almost surely, 2^40012423630 is an apocalyptic number.

40012423630 is a deficient number, since it is larger than the sum of its proper divisors (32139253010).

40012423630 is a wasteful number, since it uses less digits than its factorization.

40012423630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7184123.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 40012423630 its reverse (3632421004), we get a palindrome (43644844634).

The spelling of 40012423630 in words is "forty billion, twelve million, four hundred twenty-three thousand, six hundred thirty".