7250705280000 has 4400 divisors, whose sum is σ = 35098397167680. Its totient is φ = 1449197568000.

The previous prime is 7250705279953. The next prime is 7250705280017. The reversal of 7250705280000 is 825070527.

7250705280000 is a `hidden beast` number, since 72 + 507 + 0 + 5 + 2 + 80 + 0 + 0 + 0 = 666.

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

It is an unprimeable number.

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 399 ways as a sum of consecutive naturals, for example, 136805759974 + ... + 136805760026.

Almost surely, 2^{7250705280000} is an apocalyptic number.

7250705280000 is a gapful number since it is divisible by the number (70) 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 7250705280000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17549198583840).

7250705280000 is an abundant number, since it is smaller than the sum of its proper divisors (27847691887680).

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

7250705280000 is a wasteful number, since it uses less digits than its factorization.

7250705280000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154 (or 112 counting only the distinct ones).

The product of its (nonzero) digits is 39200, while the sum is 36.

The spelling of 7250705280000 in words is "seven trillion, two hundred fifty billion, seven hundred five million, two hundred eighty thousand".