2063688240 has 40 divisors (see below), whose sum is σ = 6397434288. Its totient is φ = 550316800.

The previous prime is 2063688199. The next prime is 2063688241. The reversal of 2063688240 is 428863602.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (2063688241) 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, 4299111 + ... + 4299590.

Almost surely, 2^2063688240 is an apocalyptic number.

2063688240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2063688240 is an abundant number, since it is smaller than the sum of its proper divisors (4333746048).

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

2063688240 is a wasteful number, since it uses less digits than its factorization.

2063688240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8598717 (or 8598711 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 39.

The square root of 2063688240 is about 45427.8355196459. The cubic root of 2063688240 is about 1273.1552437416.

The spelling of 2063688240 in words is "two billion, sixty-three million, six hundred eighty-eight thousand, two hundred forty".