1628269468 has 24 divisors (see below), whose sum is σ = 3286421600. Its totient is φ = 691426368.

The previous prime is 1628269459. The next prime is 1628269499. The reversal of 1628269468 is 8649628261.

It is a super-2 number, since 2×1628269468² = 5302522920842006048, which contains 22 as substring.

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, 263703 + ... + 269806.

Almost surely, 2^1628269468 is an apocalyptic number.

It is an amenable number.

1628269468 is an abundant number, since it is smaller than the sum of its proper divisors (1658152132).

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

1628269468 is a wasteful number, since it uses less digits than its factorization.

1628269468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533629 (or 533627 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 52.

The square root of 1628269468 is about 40351.8211237114. The cubic root of 1628269468 is about 1176.4552888346.

The spelling of 1628269468 in words is "one billion, six hundred twenty-eight million, two hundred sixty-nine thousand, four hundred sixty-eight".