330805780838 has 32 divisors (see below), whose sum is σ = 542988203520. Its totient is φ = 150225023520.

The previous prime is 330805780831. The next prime is 330805780853. The reversal of 330805780838 is 838087508033.

It is a self number, because there is not a number n which added to its sum of digits gives 330805780838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330805780831) 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, 1385843 + ... + 1606913.

It is an arithmetic number, because the mean of its divisors is an integer number (16968381360).

Almost surely, 2^330805780838 is an apocalyptic number.

330805780838 is a deficient number, since it is larger than the sum of its proper divisors (212182422682).

330805780838 is a wasteful number, since it uses less digits than its factorization.

330805780838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222012.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 330805780838 in words is "three hundred thirty billion, eight hundred five million, seven hundred eighty thousand, eight hundred thirty-eight".