2780462629928 has 16 divisors (see below), whose sum is σ = 5224775244180. Its totient is φ = 1387189231488.

The previous prime is 2780462629859. The next prime is 2780462629963. The reversal of 2780462629928 is 8299262640872.

It can be written as a sum of positive squares in 2 ways, for example, as 2503553036644 + 276909593284 = 1582262^2 + 526222^2 .

It is a super-2 number, since 2×2780462629928² (a number of 26 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380256551 + ... + 380263862.

Almost surely, 2^{2780462629928} is an apocalyptic number.

It is an amenable number.

2780462629928 is a deficient number, since it is larger than the sum of its proper divisors (2444312614252).

2780462629928 is a wasteful number, since it uses less digits than its factorization.

2780462629928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 760520876 (or 760520872 counting only the distinct ones).

The product of its (nonzero) digits is 83607552, while the sum is 65.

The spelling of 2780462629928 in words is "two trillion, seven hundred eighty billion, four hundred sixty-two million, six hundred twenty-nine thousand, nine hundred twenty-eight".