1426332340 has 24 divisors (see below), whose sum is σ = 2996032032. Its totient is φ = 570393120.

The previous prime is 1426332319. The next prime is 1426332353. The reversal of 1426332340 is 432336241.

It is a junction number, because it is equal to n+sod(n) for n = 1426332299 and 1426332308.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 124327 + ... + 135313.

It is an arithmetic number, because the mean of its divisors is an integer number (124834668).

Almost surely, 2^1426332340 is an apocalyptic number.

1426332340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1426332340 is an abundant number, since it is smaller than the sum of its proper divisors (1569699692).

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

1426332340 is a wasteful number, since it uses less digits than its factorization.

1426332340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17487 (or 17485 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

The square root of 1426332340 is about 37766.8153277451. The cubic root of 1426332340 is about 1125.6591600469.

Adding to 1426332340 its reverse (432336241), we get a palindrome (1858668581).

The spelling of 1426332340 in words is "one billion, four hundred twenty-six million, three hundred thirty-two thousand, three hundred forty".