2520044428 has 24 divisors (see below), whose sum is σ = 4813424784. Its totient is φ = 1144896000.

The previous prime is 2520044333. The next prime is 2520044479. The reversal of 2520044428 is 8244400252.

It is a self number, because there is not a number n which added to its sum of digits gives 2520044428.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80628 + ... + 107428.

It is an arithmetic number, because the mean of its divisors is an integer number (200559366).

Almost surely, 2^2520044428 is an apocalyptic number.

It is an amenable number.

2520044428 is a deficient number, since it is larger than the sum of its proper divisors (2293380356).

2520044428 is a wasteful number, since it uses less digits than its factorization.

2520044428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28953 (or 28951 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 31.

The square root of 2520044428 is about 50200.0441035663. The cubic root of 2520044428 is about 1360.8264202919.

The spelling of 2520044428 in words is "two billion, five hundred twenty million, forty-four thousand, four hundred twenty-eight".