7286423040 has 960 divisors, whose sum is σ = 30403429056. Its totient is φ = 1656225792.

The previous prime is 7286423033. The next prime is 7286423051. The reversal of 7286423040 is 403246827.

7286423040 is a `hidden beast` number, since 7 + 2 + 8 + 642 + 3 + 0 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (960).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a zygodrome in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 7286422986 and 7286423004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 137479654 + ... + 137479706.

Almost surely, 2^7286423040 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 7286423040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15201714528).

7286423040 is an abundant number, since it is smaller than the sum of its proper divisors (23117006016).

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

7286423040 is a wasteful number, since it uses less digits than its factorization.

7286423040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121 (or 93 counting only the distinct ones).

The product of its (nonzero) digits is 64512, while the sum is 36.

The square root of 7286423040 is about 85360.5473272050. The cubic root of 7286423040 is about 1938.6740363593.

Adding to 7286423040 its reverse (403246827), we get a palindrome (7689669867).

The spelling of 7286423040 in words is "seven billion, two hundred eighty-six million, four hundred twenty-three thousand, forty".