7280298220032 has 320 divisors, whose sum is σ = 23466654288000. Its totient is φ = 2219761926144.

The previous prime is 7280298220031. The next prime is 7280298220081. The reversal of 7280298220032 is 2300228920827.

It is a super-2 number, since 2×7280298220032² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7280298220032.

It is not an unprimeable number, because it can be changed into a prime (7280298220031) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7139128 + ... + 8094920.

It is an arithmetic number, because the mean of its divisors is an integer number (73333294650).

Almost surely, 2^{7280298220032} is an apocalyptic number.

7280298220032 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7280298220032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11733327144000).

7280298220032 is an abundant number, since it is smaller than the sum of its proper divisors (16186356067968).

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

7280298220032 is a wasteful number, since it uses less digits than its factorization.

7280298220032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 955868 (or 955846 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The spelling of 7280298220032 in words is "seven trillion, two hundred eighty billion, two hundred ninety-eight million, two hundred twenty thousand, thirty-two".