1426439448 has 48 divisors (see below), whose sum is σ = 4415171280. Its totient is φ = 407553984.

The previous prime is 1426439423. The next prime is 1426439467. The reversal of 1426439448 is 8449346241.

1426439448 is a `hidden beast` number, since 142 + 64 + 3 + 9 + 448 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1414615 + ... + 1415622.

It is an arithmetic number, because the mean of its divisors is an integer number (91982735).

Almost surely, 2^1426439448 is an apocalyptic number.

1426439448 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

1426439448 is an abundant number, since it is smaller than the sum of its proper divisors (2988731832).

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

1426439448 is a wasteful number, since it uses less digits than its factorization.

1426439448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2830256 (or 2830249 counting only the distinct ones).

The product of its digits is 663552, while the sum is 45.

The square root of 1426439448 is about 37768.2333184913. The cubic root of 1426439448 is about 1125.6873358281.

The spelling of 1426439448 in words is "one billion, four hundred twenty-six million, four hundred thirty-nine thousand, four hundred forty-eight".