7208042688 has 672 divisors, whose sum is σ = 27519782400. Its totient is φ = 1828915200.

The previous prime is 7208042641. The next prime is 7208042689. The reversal of 7208042688 is 8862408027.

It is a happy number.

7208042688 is a `hidden beast` number, since 72 + 0 + 80 + 426 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (672).

It is not an unprimeable number, because it can be changed into a prime (7208042689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 66128778 + ... + 66128886.

Almost surely, 2^7208042688 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7208042688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13759891200).

7208042688 is an abundant number, since it is smaller than the sum of its proper divisors (20311739712).

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

7208042688 is a wasteful number, since it uses less digits than its factorization.

7208042688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 7208042688 is about 84900.1925086157. The cubic root of 7208042688 is about 1931.6974951706.

It can be divided in two parts, 720 and 8042688, that added together give a palindrome (8043408).

The spelling of 7208042688 in words is "seven billion, two hundred eight million, forty-two thousand, six hundred eighty-eight".