7215476040720 has 960 divisors, whose sum is σ = 26996022144000. Its totient is φ = 1785602009088.

The previous prime is 7215476040709. The next prime is 7215476040737. The reversal of 7215476040720 is 270406745127.

7215476040720 is a `hidden beast` number, since 7 + 2 + 1 + 547 + 60 + 40 + 7 + 2 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 10176975726 + ... + 10176976434.

It is an arithmetic number, because the mean of its divisors is an integer number (28120856400).

Almost surely, 2^{7215476040720} 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 7215476040720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13498011072000).

7215476040720 is an abundant number, since it is smaller than the sum of its proper divisors (19780546103280).

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

7215476040720 is a wasteful number, since it uses less digits than its factorization.

7215476040720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282 (or 1264 counting only the distinct ones).

The product of its (nonzero) digits is 658560, while the sum is 45.

The spelling of 7215476040720 in words is "seven trillion, two hundred fifteen billion, four hundred seventy-six million, forty thousand, seven hundred twenty".