1828622240 has 48 divisors (see below), whose sum is σ = 4327629768. Its totient is φ = 730177536.

The previous prime is 1828622239. The next prime is 1828622267. The reversal of 1828622240 is 422268281.

It can be written as a sum of positive squares in 4 ways, for example, as 1638954256 + 189667984 = 40484^2 + 13772^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1828622240.

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, 85244 + ... + 104516.

Almost surely, 2^1828622240 is an apocalyptic number.

1828622240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1828622240 is an abundant number, since it is smaller than the sum of its proper divisors (2499007528).

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

1828622240 is a wasteful number, since it uses less digits than its factorization.

1828622240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19881 (or 19873 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 1828622240 is about 42762.3928236014. The cubic root of 1828622240 is about 1222.8541614084.

The spelling of 1828622240 in words is "one billion, eight hundred twenty-eight million, six hundred twenty-two thousand, two hundred forty".