2019255040 has 72 divisors (see below), whose sum is σ = 5276487888. Its totient is φ = 734269440.

The previous prime is 2019255013. The next prime is 2019255047. The reversal of 2019255040 is 405529102.

It is not an unprimeable number, because it can be changed into a prime (2019255047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57627 + ... + 85786.

It is an arithmetic number, because the mean of its divisors is an integer number (73284554).

Almost surely, 2^2019255040 is an apocalyptic number.

2019255040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2019255040 is an abundant number, since it is smaller than the sum of its proper divisors (3257232848).

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

2019255040 is a wasteful number, since it uses less digits than its factorization.

2019255040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143445 (or 143431 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 2019255040 is about 44936.1217730235. The cubic root of 2019255040 is about 1263.9514482232.

The spelling of 2019255040 in words is "two billion, nineteen million, two hundred fifty-five thousand, forty".