2045211140 has 48 divisors (see below), whose sum is σ = 4927692672. Its totient is φ = 698474496.

The previous prime is 2045211131. The next prime is 2045211229. The reversal of 2045211140 is 411125402.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

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, 7559 + ... + 64401.

It is an arithmetic number, because the mean of its divisors is an integer number (102660264).

Almost surely, 2^2045211140 is an apocalyptic number.

2045211140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2045211140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2463846336).

2045211140 is an abundant number, since it is smaller than the sum of its proper divisors (2882481532).

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

2045211140 is a wasteful number, since it uses less digits than its factorization.

2045211140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57116 (or 57114 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 2045211140 is about 45224.0106580564. The cubic root of 2045211140 is about 1269.3441423137.

Adding to 2045211140 its reverse (411125402), we get a palindrome (2456336542).

The spelling of 2045211140 in words is "two billion, forty-five million, two hundred eleven thousand, one hundred forty".