4354026638 has 64 divisors (see below), whose sum is σ = 7918549632. Its totient is φ = 1774755840.

The previous prime is 4354026637. The next prime is 4354026659. The reversal of 4354026638 is 8366204534.

It is a junction number, because it is equal to n+sod(n) for n = 4354026595 and 4354026604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4354026631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 534758 + ... + 542838.

It is an arithmetic number, because the mean of its divisors is an integer number (123727338).

Almost surely, 2^4354026638 is an apocalyptic number.

4354026638 is a deficient number, since it is larger than the sum of its proper divisors (3564522994).

4354026638 is a wasteful number, since it uses less digits than its factorization.

4354026638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8189.

The product of its (nonzero) digits is 414720, while the sum is 41.

The square root of 4354026638 is about 65985.0485943596. The cubic root of 4354026638 is about 1632.9154339540.

The spelling of 4354026638 in words is "four billion, three hundred fifty-four million, twenty-six thousand, six hundred thirty-eight".