2063980640 has 48 divisors (see below), whose sum is σ = 5132801520. Its totient is φ = 782138880.

The previous prime is 2063980613. The next prime is 2063980649. The reversal of 2063980640 is 460893602.

It is a Harshad number since it is a multiple of its sum of digits (38).

It is a junction number, because it is equal to n+sod(n) for n = 2063980594 and 2063980603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2063980649) 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, 336431 + ... + 342510.

It is an arithmetic number, because the mean of its divisors is an integer number (106933365).

Almost surely, 2^2063980640 is an apocalyptic number.

2063980640 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2063980640 is an abundant number, since it is smaller than the sum of its proper divisors (3068820880).

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

2063980640 is a wasteful number, since it uses less digits than its factorization.

2063980640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 678975 (or 678967 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 2063980640 is about 45431.0536967832. The cubic root of 2063980640 is about 1273.2153712042.

The spelling of 2063980640 in words is "two billion, sixty-three million, nine hundred eighty thousand, six hundred forty".