1426665632 has 48 divisors (see below), whose sum is σ = 3313562112. Its totient is φ = 591701760.

The previous prime is 1426665623. The next prime is 1426665697. The reversal of 1426665632 is 2365666241.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1426665632.

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, 95783 + ... + 109670.

It is an arithmetic number, because the mean of its divisors is an integer number (69032544).

Almost surely, 2^1426665632 is an apocalyptic number.

It is an amenable number.

1426665632 is an abundant number, since it is smaller than the sum of its proper divisors (1886896480).

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

1426665632 is a wasteful number, since it uses less digits than its factorization.

1426665632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 205501 (or 205493 counting only the distinct ones).

The product of its digits is 311040, while the sum is 41.

The square root of 1426665632 is about 37771.2275680841. The cubic root of 1426665632 is about 1125.7468310531.

The spelling of 1426665632 in words is "one billion, four hundred twenty-six million, six hundred sixty-five thousand, six hundred thirty-two".