7255043040 has 96 divisors (see below), whose sum is σ = 26118167040. Its totient is φ = 1658294784.

The previous prime is 7255043017. The next prime is 7255043051. The reversal of 7255043040 is 403405527.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 7255042989 and 7255043007.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1076260 + ... + 1082979.

It is an arithmetic number, because the mean of its divisors is an integer number (272064240).

Almost surely, 2^7255043040 is an apocalyptic number.

7255043040 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

7255043040 is an abundant number, since it is smaller than the sum of its proper divisors (18863124000).

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

7255043040 is a wasteful number, since it uses less digits than its factorization.

7255043040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2159264 (or 2159256 counting only the distinct ones).

The product of its (nonzero) digits is 16800, while the sum is 30.

The square root of 7255043040 is about 85176.5404322106. The cubic root of 7255043040 is about 1935.8869745960.

Adding to 7255043040 its reverse (403405527), we get a palindrome (7658448567).

The spelling of 7255043040 in words is "seven billion, two hundred fifty-five million, forty-three thousand, forty".