2119019640 has 32 divisors (see below), whose sum is σ = 6357059280. Its totient is φ = 565071872.

The previous prime is 2119019603. The next prime is 2119019641. The reversal of 2119019640 is 469109112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2119019641) 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, 8829129 + ... + 8829368.

Almost surely, 2^2119019640 is an apocalyptic number.

2119019640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2119019640 is an abundant number, since it is smaller than the sum of its proper divisors (4238039640).

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

2119019640 is a wasteful number, since it uses less digits than its factorization.

2119019640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17658511 (or 17658507 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 33.

The square root of 2119019640 is about 46032.8104725314. The cubic root of 2119019640 is about 1284.4336080785.

The spelling of 2119019640 in words is "two billion, one hundred nineteen million, nineteen thousand, six hundred forty".