1828788550 has 12 divisors (see below), whose sum is σ = 3401546796. Its totient is φ = 731515400.

The previous prime is 1828788547. The next prime is 1828788553. The reversal of 1828788550 is 558878281.

It is an interprime number because it is at equal distance from previous prime (1828788547) and next prime (1828788553).

It is a super-2 number, since 2×1828788550² = 6688935121222205000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1828788553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18287836 + ... + 18287935.

It is an arithmetic number, because the mean of its divisors is an integer number (283462233).

Almost surely, 2^1828788550 is an apocalyptic number.

1828788550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1828788550 is a deficient number, since it is larger than the sum of its proper divisors (1572758246).

1828788550 is a wasteful number, since it uses less digits than its factorization.

1828788550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36575783 (or 36575778 counting only the distinct ones).

The product of its (nonzero) digits is 1433600, while the sum is 52.

The square root of 1828788550 is about 42764.3373618720. The cubic root of 1828788550 is about 1222.8912324348.

The spelling of 1828788550 in words is "one billion, eight hundred twenty-eight million, seven hundred eighty-eight thousand, five hundred fifty".