2045479290 has 16 divisors (see below), whose sum is σ = 4909150368. Its totient is φ = 545461136.

The previous prime is 2045479283. The next prime is 2045479363. The reversal of 2045479290 is 929745402.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34091292 + ... + 34091351.

It is an arithmetic number, because the mean of its divisors is an integer number (306821898).

Almost surely, 2^2045479290 is an apocalyptic number.

2045479290 is an abundant number, since it is smaller than the sum of its proper divisors (2863671078).

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

2045479290 is a wasteful number, since it uses less digits than its factorization.

2045479290 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68182653.

The product of its (nonzero) digits is 181440, while the sum is 42.

The square root of 2045479290 is about 45226.9752470801. The cubic root of 2045479290 is about 1269.3996149493.

The spelling of 2045479290 in words is "two billion, forty-five million, four hundred seventy-nine thousand, two hundred ninety".