2045307650 has 48 divisors (see below), whose sum is σ = 3991083840. Its totient is φ = 778747200.

The previous prime is 2045307623. The next prime is 2045307659. The reversal of 2045307650 is 567035402.

It is not an unprimeable number, because it can be changed into a prime (2045307659) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 93017 + ... + 112883.

It is an arithmetic number, because the mean of its divisors is an integer number (83147580).

Almost surely, 2^2045307650 is an apocalyptic number.

2045307650 is a deficient number, since it is larger than the sum of its proper divisors (1945776190).

2045307650 is a wasteful number, since it uses less digits than its factorization.

2045307650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19979 (or 19974 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 32.

The square root of 2045307650 is about 45225.0776671528. The cubic root of 2045307650 is about 1269.3641080561.

The spelling of 2045307650 in words is "two billion, forty-five million, three hundred seven thousand, six hundred fifty".