2029780046 has 32 divisors (see below), whose sum is σ = 3500692992. Its totient is φ = 864658080.

The previous prime is 2029780043. The next prime is 2029780091. The reversal of 2029780046 is 6400879202.

It is a junction number, because it is equal to n+sod(n) for n = 2029779991 and 2029780009.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2029780043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2997860 + ... + 2998536.

It is an arithmetic number, because the mean of its divisors is an integer number (109396656).

Almost surely, 2^2029780046 is an apocalyptic number.

2029780046 is a deficient number, since it is larger than the sum of its proper divisors (1470912946).

2029780046 is a wasteful number, since it uses less digits than its factorization.

2029780046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1664.

The product of its (nonzero) digits is 48384, while the sum is 38.

The square root of 2029780046 is about 45053.0803164445. The cubic root of 2029780046 is about 1266.1436840848.

The spelling of 2029780046 in words is "two billion, twenty-nine million, seven hundred eighty thousand, forty-six".