7840801820481 has 32 divisors (see below), whose sum is σ = 12144786613248. Its totient is φ = 4406826219840.

The previous prime is 7840801820477. The next prime is 7840801820491. The reversal of 7840801820481 is 1840281080487.

It is not a de Polignac number, because 7840801820481 - 2² = 7840801820477 is a prime.

It is a super-2 number, since 2×7840801820481² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7840801820461) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3348235 + ... + 5185776.

It is an arithmetic number, because the mean of its divisors is an integer number (379524581664).

Almost surely, 2^{7840801820481} is an apocalyptic number.

It is an amenable number.

7840801820481 is a deficient number, since it is larger than the sum of its proper divisors (4303984792767).

7840801820481 is a wasteful number, since it uses less digits than its factorization.

7840801820481 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8534741.

The product of its (nonzero) digits is 917504, while the sum is 51.

The spelling of 7840801820481 in words is "seven trillion, eight hundred forty billion, eight hundred one million, eight hundred twenty thousand, four hundred eighty-one".