7302080040 has 128 divisors (see below), whose sum is σ = 23408352000. Its totient is φ = 1815810048.

The previous prime is 7302080021. The next prime is 7302080041. The reversal of 7302080040 is 400802037.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (7302080041) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 205941 + ... + 238779.

It is an arithmetic number, because the mean of its divisors is an integer number (182877750).

Almost surely, 2^7302080040 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 7302080040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11704176000).

7302080040 is an abundant number, since it is smaller than the sum of its proper divisors (16106271960).

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

7302080040 is a wasteful number, since it uses less digits than its factorization.

7302080040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32979 (or 32975 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 24.

The square root of 7302080040 is about 85452.2090995897. The cubic root of 7302080040 is about 1940.0616446916.

Adding to 7302080040 its reverse (400802037), we get a palindrome (7702882077).

The spelling of 7302080040 in words is "seven billion, three hundred two million, eighty thousand, forty".