8453266240 has 28 divisors (see below), whose sum is σ = 20129340996. Its totient is φ = 3381306368.

The previous prime is 8453266219. The next prime is 8453266243. The reversal of 8453266240 is 426623548.

It can be written as a sum of positive squares in 2 ways, for example, as 3183667776 + 5269598464 = 56424^2 + 72592^2 .

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 8453266193 and 8453266202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8453266243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13207909 + ... + 13208548.

Almost surely, 2^8453266240 is an apocalyptic number.

8453266240 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

8453266240 is an abundant number, since it is smaller than the sum of its proper divisors (11676074756).

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

8453266240 is a wasteful number, since it uses less digits than its factorization.

8453266240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26416474 (or 26416464 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 40.

The square root of 8453266240 is about 91941.6458412617. The cubic root of 8453266240 is about 2037.0804578110.

Adding to 8453266240 its reverse (426623548), we get a palindrome (8879889788).

The spelling of 8453266240 in words is "eight billion, four hundred fifty-three million, two hundred sixty-six thousand, two hundred forty".