1426346288 has 40 divisors (see below), whose sum is σ = 2887824096. Its totient is φ = 681190400.

The previous prime is 1426346287. The next prime is 1426346351. The reversal of 1426346288 is 8826436241.

It is a Cunningham number, because it is equal to 37767²-1.

It is not an unprimeable number, because it can be changed into a prime (1426346281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 299768 + ... + 304488.

Almost surely, 2^1426346288 is an apocalyptic number.

It is an amenable number.

1426346288 is an abundant number, since it is smaller than the sum of its proper divisors (1461477808).

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

1426346288 is a wasteful number, since it uses less digits than its factorization.

1426346288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5573 (or 5567 counting only the distinct ones).

The product of its digits is 442368, while the sum is 44.

The square root of 1426346288 is about 37766.9999867609. Note that the first 4 decimals coincide. The cubic root of 1426346288 is about 1125.6628292813.

The spelling of 1426346288 in words is "one billion, four hundred twenty-six million, three hundred forty-six thousand, two hundred eighty-eight".