2040545730 has 32 divisors (see below), whose sum is σ = 4907160000. Its totient is φ = 543051072.

The previous prime is 2040545701. The next prime is 2040545743. The reversal of 2040545730 is 375450402.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53185 + ... + 83124.

It is an arithmetic number, because the mean of its divisors is an integer number (153348750).

Almost surely, 2^2040545730 is an apocalyptic number.

2040545730 is an abundant number, since it is smaller than the sum of its proper divisors (2866614270).

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

2040545730 is a wasteful number, since it uses less digits than its factorization.

2040545730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136818.

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 2040545730 is about 45172.4000912061. The cubic root of 2040545730 is about 1268.3782241859.

The spelling of 2040545730 in words is "two billion, forty million, five hundred forty-five thousand, seven hundred thirty".