7438455426 has 32 divisors (see below), whose sum is σ = 15668294400. Its totient is φ = 2347727760.

The previous prime is 7438455421. The next prime is 7438455433. The reversal of 7438455426 is 6245548347.

It is not an unprimeable number, because it can be changed into a prime (7438455421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 209121 + ... + 242091.

It is an arithmetic number, because the mean of its divisors is an integer number (489634200).

Almost surely, 2^7438455426 is an apocalyptic number.

7438455426 is an abundant number, since it is smaller than the sum of its proper divisors (8229838974).

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

7438455426 is a wasteful number, since it uses less digits than its factorization.

7438455426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34974.

The product of its digits is 3225600, while the sum is 48.

The square root of 7438455426 is about 86246.4806586333. The cubic root of 7438455426 is about 1952.0649111222.

The spelling of 7438455426 in words is "seven billion, four hundred thirty-eight million, four hundred fifty-five thousand, four hundred twenty-six".