7420840480247 has 16 divisors (see below), whose sum is σ = 7802843443200. Its totient is φ = 7047252925440.

The previous prime is 7420840480231. The next prime is 7420840480297.

7420840480247 is nontrivially palindromic in base 10.

It is a cyclic number.

It is not a de Polignac number, because 7420840480247 - 2⁴ = 7420840480231 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 7420840480195 and 7420840480204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7420840480297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 74278154 + ... + 74377992.

It is an arithmetic number, because the mean of its divisors is an integer number (487677715200).

Almost surely, 2^{7420840480247} is an apocalyptic number.

7420840480247 is a deficient number, since it is larger than the sum of its proper divisors (382002962953).

7420840480247 is a wasteful number, since it uses less digits than its factorization.

7420840480247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 141946.

The product of its (nonzero) digits is 3211264, while the sum is 50.

The spelling of 7420840480247 in words is "seven trillion, four hundred twenty billion, eight hundred forty million, four hundred eighty thousand, two hundred forty-seven".