2044121968 has 40 divisors (see below), whose sum is σ = 4528995840. Its totient is φ = 875524800.

The previous prime is 2044121921. The next prime is 2044121969. The reversal of 2044121968 is 8691214402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044121969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 223893 + ... + 232843.

It is an arithmetic number, because the mean of its divisors is an integer number (113224896).

Almost surely, 2^2044121968 is an apocalyptic number.

2044121968 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2044121968 is an abundant number, since it is smaller than the sum of its proper divisors (2484873872).

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

2044121968 is a wasteful number, since it uses less digits than its factorization.

2044121968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11005 (or 10999 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 2044121968 is about 45211.9670883716. The cubic root of 2044121968 is about 1269.1187736357.

The spelling of 2044121968 in words is "two billion, forty-four million, one hundred twenty-one thousand, nine hundred sixty-eight".