7420840480231 has 2 divisors, whose sum is σ = 7420840480232. Its totient is φ = 7420840480230.

The previous prime is 7420840480171. The next prime is 7420840480297. The reversal of 7420840480231 is 1320840480247.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7420840480231 - 2¹⁵ = 7420840447463 is a prime.

It is a super-2 number, since 2×7420840480231² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7420840480331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3710420240115 + 3710420240116.

It is an arithmetic number, because the mean of its divisors is an integer number (3710420240116).

Almost surely, 2^{7420840480231} is an apocalyptic number.

7420840480231 is a deficient number, since it is larger than the sum of its proper divisors (1).

7420840480231 is an equidigital number, since it uses as much as digits as its factorization.

7420840480231 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 344064, while the sum is 43.

The spelling of 7420840480231 in words is "seven trillion, four hundred twenty billion, eight hundred forty million, four hundred eighty thousand, two hundred thirty-one".