1845628650 has 72 divisors (see below), whose sum is σ = 5219591520. Its totient is φ = 466261920.

The previous prime is 1845628639. The next prime is 1845628663. The reversal of 1845628650 is 568265481.

1845628650 is a `hidden beast` number, since 1 + 8 + 4 + 562 + 86 + 5 + 0 = 666.

It is a super-2 number, since 2×1845628650² = 6812690227401645000, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 1845628596 and 1845628605.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 99382 + ... + 116481.

Almost surely, 2^1845628650 is an apocalyptic number.

1845628650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1845628650 is an abundant number, since it is smaller than the sum of its proper divisors (3373962870).

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

1845628650 is a wasteful number, since it uses less digits than its factorization.

1845628650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215900 (or 215892 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 45.

The square root of 1845628650 is about 42960.7803700072. The cubic root of 1845628650 is about 1226.6333674634.

The spelling of 1845628650 in words is "one billion, eight hundred forty-five million, six hundred twenty-eight thousand, six hundred fifty".