7394489706240 has 1728 divisors, whose sum is σ = 34386450739200. Its totient is φ = 1468244164608.

The previous prime is 7394489706203. The next prime is 7394489706251. The reversal of 7394489706240 is 426079844937.

7394489706240 is a `hidden beast` number, since 7 + 3 + 9 + 448 + 97 + 0 + 62 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (1728).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 695030841 + ... + 695041479.

It is an arithmetic number, because the mean of its divisors is an integer number (19899566400).

Almost surely, 2^{7394489706240} is an apocalyptic number.

7394489706240 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 7394489706240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17193225369600).

7394489706240 is an abundant number, since it is smaller than the sum of its proper divisors (26991961032960).

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

7394489706240 is a wasteful number, since it uses less digits than its factorization.

7394489706240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10719 (or 10686 counting only the distinct ones).

The product of its (nonzero) digits is 73156608, while the sum is 63.

The spelling of 7394489706240 in words is "seven trillion, three hundred ninety-four billion, four hundred eighty-nine million, seven hundred six thousand, two hundred forty".