2040545445 has 32 divisors (see below), whose sum is σ = 3477696768. Its totient is φ = 1018119168.

The previous prime is 2040545383. The next prime is 2040545459. The reversal of 2040545445 is 5445450402.

It is not a de Polignac number, because 2040545445 - 2⁷ = 2040545317 is a prime.

It is a super-2 number, since 2×2040545445² = 8327651426220496050, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 18627 + ... + 66543.

It is an arithmetic number, because the mean of its divisors is an integer number (108678024).

Almost surely, 2^2040545445 is an apocalyptic number.

It is an amenable number.

2040545445 is a deficient number, since it is larger than the sum of its proper divisors (1437151323).

2040545445 is a wasteful number, since it uses less digits than its factorization.

2040545445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48109.

The product of its (nonzero) digits is 64000, while the sum is 33.

The square root of 2040545445 is about 45172.3969366249. The cubic root of 2040545445 is about 1268.3781651350.

Adding to 2040545445 its reverse (5445450402), we get a palindrome (7485995847).

The spelling of 2040545445 in words is "two billion, forty million, five hundred forty-five thousand, four hundred forty-five".