2044420818 has 32 divisors (see below), whose sum is σ = 4479252480. Its totient is φ = 616924560.

The previous prime is 2044420813. The next prime is 2044420823. The reversal of 2044420818 is 8180244402.

It is an interprime number because it is at equal distance from previous prime (2044420813) and next prime (2044420823).

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (2044420813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49030 + ... + 80577.

It is an arithmetic number, because the mean of its divisors is an integer number (139976640).

Almost surely, 2^2044420818 is an apocalyptic number.

2044420818 is an abundant number, since it is smaller than the sum of its proper divisors (2434831662).

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

2044420818 is a wasteful number, since it uses less digits than its factorization.

2044420818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129862.

The product of its (nonzero) digits is 16384, while the sum is 33.

The square root of 2044420818 is about 45215.2719553914. The cubic root of 2044420818 is about 1269.1806188794.

The spelling of 2044420818 in words is "two billion, forty-four million, four hundred twenty thousand, eight hundred eighteen".