7256155088 has 40 divisors (see below), whose sum is σ = 17303142528. Its totient is φ = 2870566272.

The previous prime is 7256155087. The next prime is 7256155117. The reversal of 7256155088 is 8805516527.

It is a happy number.

It is a super-2 number, since 2×7256155088² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7256155087) 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 7 ways as a sum of consecutive naturals, for example, 2490356 + ... + 2493267.

Almost surely, 2^7256155088 is an apocalyptic number.

It is an amenable number.

7256155088 is an abundant number, since it is smaller than the sum of its proper divisors (10046987440).

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

7256155088 is a wasteful number, since it uses less digits than its factorization.

7256155088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4983651 (or 4983645 counting only the distinct ones).

The product of its (nonzero) digits is 672000, while the sum is 47.

The square root of 7256155088 is about 85183.0680828062. The cubic root of 7256155088 is about 1935.9858800168.

The spelling of 7256155088 in words is "seven billion, two hundred fifty-six million, one hundred fifty-five thousand, eighty-eight".