1845641264 has 10 divisors (see below), whose sum is σ = 3575929980. Its totient is φ = 922820624.

The previous prime is 1845641251. The next prime is 1845641267. The reversal of 1845641264 is 4621465481.

It is not an unprimeable number, because it can be changed into a prime (1845641267) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57676274 + ... + 57676305.

It is an arithmetic number, because the mean of its divisors is an integer number (357592998).

Almost surely, 2^1845641264 is an apocalyptic number.

It is an amenable number.

1845641264 is a deficient number, since it is larger than the sum of its proper divisors (1730288716).

1845641264 is a wasteful number, since it uses less digits than its factorization.

1845641264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115352587 (or 115352581 counting only the distinct ones).

The product of its digits is 184320, while the sum is 41.

The square root of 1845641264 is about 42960.9271780766. The cubic root of 1845641264 is about 1226.6361619436.

The spelling of 1845641264 in words is "one billion, eight hundred forty-five million, six hundred forty-one thousand, two hundred sixty-four".