2063406780 has 36 divisors (see below), whose sum is σ = 6259001112. Its totient is φ = 550241760.

The previous prime is 2063406749. The next prime is 2063406791. The reversal of 2063406780 is 876043602.

It is a tau number, because it is divible by the number of its divisors (36).

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5731506 + ... + 5731865.

It is an arithmetic number, because the mean of its divisors is an integer number (173861142).

Almost surely, 2^2063406780 is an apocalyptic number.

2063406780 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2063406780 is an abundant number, since it is smaller than the sum of its proper divisors (4195594332).

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

2063406780 is a wasteful number, since it uses less digits than its factorization.

2063406780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11463386 (or 11463381 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 2063406780 is about 45424.7375336391. The cubic root of 2063406780 is about 1273.0973605529.

The spelling of 2063406780 in words is "two billion, sixty-three million, four hundred six thousand, seven hundred eighty".