1426644616 has 8 divisors (see below), whose sum is σ = 2674958670. Its totient is φ = 713322304.

The previous prime is 1426644577. The next prime is 1426644671. The reversal of 1426644616 is 6164466241.

It can be written as a sum of positive squares in only one way, i.e., 1417823716 + 8820900 = 37654^2 + 2970^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 89165281 + ... + 89165296.

Almost surely, 2^1426644616 is an apocalyptic number.

It is an amenable number.

1426644616 is a deficient number, since it is larger than the sum of its proper divisors (1248314054).

1426644616 is a wasteful number, since it uses less digits than its factorization.

1426644616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178330583 (or 178330579 counting only the distinct ones).

The product of its digits is 165888, while the sum is 40.

The square root of 1426644616 is about 37770.9493658817. The cubic root of 1426644616 is about 1125.7413032894.

The spelling of 1426644616 in words is "one billion, four hundred twenty-six million, six hundred forty-four thousand, six hundred sixteen".