1828556428 has 24 divisors (see below), whose sum is σ = 3459436400. Its totient is φ = 842747328.

The previous prime is 1828556413. The next prime is 1828556453. The reversal of 1828556428 is 8246558281.

It is a super-2 number, since 2×1828556428² = 6687237220760238368, which contains 22 as substring.

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, 322323 + ... + 327946.

Almost surely, 2^1828556428 is an apocalyptic number.

It is an amenable number.

1828556428 is a deficient number, since it is larger than the sum of its proper divisors (1630879972).

1828556428 is a wasteful number, since it uses less digits than its factorization.

1828556428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 650329 (or 650327 counting only the distinct ones).

The product of its digits is 1228800, while the sum is 49.

The square root of 1828556428 is about 42761.6233087566. The cubic root of 1828556428 is about 1222.8394910841.

The spelling of 1828556428 in words is "one billion, eight hundred twenty-eight million, five hundred fifty-six thousand, four hundred twenty-eight".