2045772336 has 40 divisors (see below), whose sum is σ = 5455396864. Its totient is φ = 659926080.

The previous prime is 2045772331. The next prime is 2045772347. The reversal of 2045772336 is 6332775402.

It is a junction number, because it is equal to n+sod(n) for n = 2045772294 and 2045772303.

It is not an unprimeable number, because it can be changed into a prime (2045772331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 685936 + ... + 688911.

Almost surely, 2^2045772336 is an apocalyptic number.

It is an amenable number.

2045772336 is an abundant number, since it is smaller than the sum of its proper divisors (3409624528).

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

2045772336 is a wasteful number, since it uses less digits than its factorization.

2045772336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374889 (or 1374883 counting only the distinct ones).

The product of its (nonzero) digits is 211680, while the sum is 39.

The square root of 2045772336 is about 45230.2148568852. The cubic root of 2045772336 is about 1269.4602323180.

The spelling of 2045772336 in words is "two billion, forty-five million, seven hundred seventy-two thousand, three hundred thirty-six".