3200780436 has 24 divisors (see below), whose sum is σ = 8535414720. Its totient is φ = 914508672.

The previous prime is 3200780419. The next prime is 3200780461. The reversal of 3200780436 is 6340870023.

It is a junction number, because it is equal to n+sod(n) for n = 3200780397 and 3200780406.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19052181 + ... + 19052348.

It is an arithmetic number, because the mean of its divisors is an integer number (355642280).

Almost surely, 2^3200780436 is an apocalyptic number.

It is an amenable number.

3200780436 is an abundant number, since it is smaller than the sum of its proper divisors (5334634284).

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

3200780436 is a wasteful number, since it uses less digits than its factorization.

3200780436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38104543 (or 38104541 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 33.

The square root of 3200780436 is about 56575.4402192329. The cubic root of 3200780436 is about 1473.7323876687.

The spelling of 3200780436 in words is "three billion, two hundred million, seven hundred eighty thousand, four hundred thirty-six".