2045120406 has 32 divisors (see below), whose sum is σ = 4825356288. Its totient is φ = 565470720.

The previous prime is 2045120393. The next prime is 2045120411. The reversal of 2045120406 is 6040215402.

It is a congruent number.

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, 784075 + ... + 786678.

It is an arithmetic number, because the mean of its divisors is an integer number (150792384).

Almost surely, 2^2045120406 is an apocalyptic number.

2045120406 is an abundant number, since it is smaller than the sum of its proper divisors (2780235882).

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

2045120406 is a wasteful number, since it uses less digits than its factorization.

2045120406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1570796.

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 2045120406 is about 45223.0074851286. The cubic root of 2045120406 is about 1269.3253709226.

Adding to 2045120406 its reverse (6040215402), we get a palindrome (8085335808).

The spelling of 2045120406 in words is "two billion, forty-five million, one hundred twenty thousand, four hundred six".