1426008440 has 16 divisors (see below), whose sum is σ = 3208519080. Its totient is φ = 570403360.

The previous prime is 1426008431. The next prime is 1426008443. The reversal of 1426008440 is 448006241.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426008443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17825066 + ... + 17825145.

Almost surely, 2^1426008440 is an apocalyptic number.

1426008440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1426008440 is an abundant number, since it is smaller than the sum of its proper divisors (1782510640).

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

1426008440 is a wasteful number, since it uses less digits than its factorization.

1426008440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35650222 (or 35650218 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 29.

The square root of 1426008440 is about 37762.5269281599. The cubic root of 1426008440 is about 1125.5739464788.

The spelling of 1426008440 in words is "one billion, four hundred twenty-six million, eight thousand, four hundred forty".