7621191348480 has 1512 divisors, whose sum is σ = 29629421740800. Its totient is φ = 1876424196096.

The previous prime is 7621191348439. The next prime is 7621191348581. The reversal of 7621191348480 is 848431911267.

7621191348480 is a `hidden beast` number, since 7 + 6 + 2 + 119 + 1 + 3 + 48 + 480 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 167 ways as a sum of consecutive naturals, for example, 15910628881 + ... + 15910629359.

It is an arithmetic number, because the mean of its divisors is an integer number (19596178400).

Almost surely, 2^{7621191348480} 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 7621191348480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14814710870400).

7621191348480 is an abundant number, since it is smaller than the sum of its proper divisors (22008230392320).

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

7621191348480 is an equidigital number, since it uses as much as digits as its factorization.

7621191348480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611 (or 565 counting only the distinct ones).

The product of its (nonzero) digits is 2322432, while the sum is 54.

The spelling of 7621191348480 in words is "seven trillion, six hundred twenty-one billion, one hundred ninety-one million, three hundred forty-eight thousand, four hundred eighty".