2790665428 has 24 divisors (see below), whose sum is σ = 5030379200. Its totient is φ = 1353844800.

The previous prime is 2790665387. The next prime is 2790665429. The reversal of 2790665428 is 8245660972.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2790665429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27753 + ... + 79696.

Almost surely, 2^2790665428 is an apocalyptic number.

It is an amenable number.

2790665428 is a deficient number, since it is larger than the sum of its proper divisors (2239713772).

2790665428 is a wasteful number, since it uses less digits than its factorization.

2790665428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107647 (or 107645 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 49.

The square root of 2790665428 is about 52826.7491712295. The cubic root of 2790665428 is about 1407.8917284222.

The spelling of 2790665428 in words is "two billion, seven hundred ninety million, six hundred sixty-five thousand, four hundred twenty-eight".