1071828650 has 12 divisors (see below), whose sum is σ = 1993601382. Its totient is φ = 428731440.

The previous prime is 1071828649. The next prime is 1071828673. The reversal of 1071828650 is 568281701.

It can be written as a sum of positive squares in 3 ways, for example, as 755095441 + 316733209 = 27479^2 + 17797^2 .

It is a super-2 number, since 2×1071828650² = 2297633309921645000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (38) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10718237 + ... + 10718336.

Almost surely, 2^1071828650 is an apocalyptic number.

1071828650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1071828650 is a deficient number, since it is larger than the sum of its proper divisors (921772732).

1071828650 is a wasteful number, since it uses less digits than its factorization.

1071828650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21436585 (or 21436580 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 38.

The square root of 1071828650 is about 32738.7942661302. The cubic root of 1071828650 is about 1023.3914567908.

The spelling of 1071828650 in words is "one billion, seventy-one million, eight hundred twenty-eight thousand, six hundred fifty".