1426551628 has 12 divisors (see below), whose sum is σ = 2513221200. Its totient is φ = 708488432.

The previous prime is 1426551611. The next prime is 1426551631. The reversal of 1426551628 is 8261556241.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1196176 + ... + 1197367.

It is an arithmetic number, because the mean of its divisors is an integer number (209435100).

Almost surely, 2^1426551628 is an apocalyptic number.

It is an amenable number.

1426551628 is a deficient number, since it is larger than the sum of its proper divisors (1086669572).

1426551628 is a wasteful number, since it uses less digits than its factorization.

1426551628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2393696 (or 2393694 counting only the distinct ones).

The product of its digits is 115200, while the sum is 40.

The square root of 1426551628 is about 37769.7183997975. The cubic root of 1426551628 is about 1125.7168443350.

The spelling of 1426551628 in words is "one billion, four hundred twenty-six million, five hundred fifty-one thousand, six hundred twenty-eight".