5649250728 has 64 divisors (see below), whose sum is σ = 15734891520. Its totient is φ = 1675467200.

The previous prime is 5649250727. The next prime is 5649250729. The reversal of 5649250728 is 8270529465.

It is an interprime number because it is at equal distance from previous prime (5649250727) and next prime (5649250729).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (5649250727) 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, 215238 + ... + 240053.

It is an arithmetic number, because the mean of its divisors is an integer number (245857680).

Almost surely, 2^5649250728 is an apocalyptic number.

It is an amenable number.

5649250728 is an abundant number, since it is smaller than the sum of its proper divisors (10085640792).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5649250728 is a wasteful number, since it uses less digits than its factorization.

5649250728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 455358 (or 455354 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 48.

The square root of 5649250728 is about 75161.4976434078. The cubic root of 5649250728 is about 1780.9987586009.

The spelling of 5649250728 in words is "five billion, six hundred forty-nine million, two hundred fifty thousand, seven hundred twenty-eight".