2390235728 has 10 divisors (see below), whose sum is σ = 4631081754. Its totient is φ = 1195117856.

The previous prime is 2390235721. The next prime is 2390235733. The reversal of 2390235728 is 8275320932.

It can be written as a sum of positive squares in only one way, i.e., 2255490064 + 134745664 = 47492^2 + 11608^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2390235721) by changing a digit.

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 as a sum of consecutive naturals, namely, 74694851 + ... + 74694882.

Almost surely, 2^2390235728 is an apocalyptic number.

It is an amenable number.

2390235728 is a deficient number, since it is larger than the sum of its proper divisors (2240846026).

2390235728 is a wasteful number, since it uses less digits than its factorization.

2390235728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149389741 (or 149389735 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 41.

The square root of 2390235728 is about 48890.0371036881. The cubic root of 2390235728 is about 1337.0477307192.

The spelling of 2390235728 in words is "two billion, three hundred ninety million, two hundred thirty-five thousand, seven hundred twenty-eight".