2019264040 has 32 divisors (see below), whose sum is σ = 4594401000. Its totient is φ = 798628864.

The previous prime is 2019263993. The next prime is 2019264053. The reversal of 2019264040 is 404629102.

2019264040 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 996159844 + 1023104196 = 31562^2 + 31986^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280045 + ... + 287164.

Almost surely, 2^2019264040 is an apocalyptic number.

2019264040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2019264040 is an abundant number, since it is smaller than the sum of its proper divisors (2575136960).

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

2019264040 is a wasteful number, since it uses less digits than its factorization.

2019264040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 567309 (or 567305 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 2019264040 is about 44936.2219150654. The cubic root of 2019264040 is about 1263.9533260686.

The spelling of 2019264040 in words is "two billion, nineteen million, two hundred sixty-four thousand, forty".