7440192990720 has 960 divisors, whose sum is σ = 30784625372160. Its totient is φ = 1698314010624.

The previous prime is 7440192990697. The next prime is 7440192990721. The reversal of 7440192990720 is 270992910447.

7440192990720 is a `hidden beast` number, since 7 + 440 + 1 + 92 + 9 + 90 + 7 + 20 = 666.

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

It is a super-2 number, since 2×7440192990720² (a number of 27 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7440192990721) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4629864157 + ... + 4629865763.

It is an arithmetic number, because the mean of its divisors is an integer number (32067318096).

Almost surely, 2^{7440192990720} is an apocalyptic number.

7440192990720 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 7440192990720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15392312686080).

7440192990720 is an abundant number, since it is smaller than the sum of its proper divisors (23344432381440).

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

7440192990720 is a wasteful number, since it uses less digits than its factorization.

7440192990720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3020 (or 2991 counting only the distinct ones).

The product of its (nonzero) digits is 2286144, while the sum is 54.

The spelling of 7440192990720 in words is "seven trillion, four hundred forty billion, one hundred ninety-two million, nine hundred ninety thousand, seven hundred twenty".