10404622638 has 16 divisors (see below), whose sum is σ = 23121383760. Its totient is φ = 3468207528.

The previous prime is 10404622637. The next prime is 10404622747. The reversal of 10404622638 is 83622640401.

10404622638 is a `hidden beast` number, since 10 + 4 + 0 + 4 + 6 + 2 + 2 + 638 = 666.

10404622638 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10404622637) 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, 96339045 + ... + 96339152.

It is an arithmetic number, because the mean of its divisors is an integer number (1445086485).

Almost surely, 2^10404622638 is an apocalyptic number.

10404622638 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10404622638 is an abundant number, since it is smaller than the sum of its proper divisors (12716761122).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10404622638 is a wasteful number, since it uses less digits than its factorization.

10404622638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192678208 (or 192678202 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 36.

The spelling of 10404622638 in words is "ten billion, four hundred four million, six hundred twenty-two thousand, six hundred thirty-eight".