1426606140 has 24 divisors (see below), whose sum is σ = 3994497360. Its totient is φ = 380428288.

The previous prime is 1426606099. The next prime is 1426606147. The reversal of 1426606140 is 416066241.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 1426606098 and 1426606107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1426606147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11888325 + ... + 11888444.

It is an arithmetic number, because the mean of its divisors is an integer number (166437390).

Almost surely, 2^1426606140 is an apocalyptic number.

1426606140 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1426606140 is an abundant number, since it is smaller than the sum of its proper divisors (2567891220).

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

1426606140 is a wasteful number, since it uses less digits than its factorization.

1426606140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23776781 (or 23776779 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 1426606140 is about 37770.4400292080. The cubic root of 1426606140 is about 1125.7311829433.

The spelling of 1426606140 in words is "one billion, four hundred twenty-six million, six hundred six thousand, one hundred forty".