7255456320 has 112 divisors (see below), whose sum is σ = 26326965888. Its totient is φ = 1658388480.

The previous prime is 7255456193. The next prime is 7255456361. The reversal of 7255456320 is 236545527.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (112).

It is a super-2 number, since 2×7255456320² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 533121 + ... + 546560.

Almost surely, 2^7255456320 is an apocalyptic number.

7255456320 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7255456320 is an abundant number, since it is smaller than the sum of its proper divisors (19071509568).

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

7255456320 is a wasteful number, since it uses less digits than its factorization.

7255456320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1079708 (or 1079698 counting only the distinct ones).

The product of its (nonzero) digits is 252000, while the sum is 39.

The square root of 7255456320 is about 85178.9664177724. The cubic root of 7255456320 is about 1935.9237328515.

The spelling of 7255456320 in words is "seven billion, two hundred fifty-five million, four hundred fifty-six thousand, three hundred twenty".