8440302798 has 12 divisors (see below), whose sum is σ = 18287322768. Its totient is φ = 2813434260.

The previous prime is 8440302791. The next prime is 8440302799. The reversal of 8440302798 is 8972030448.

It is a super-2 number, since 2×8440302798² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8440302791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 234452838 + ... + 234452873.

It is an arithmetic number, because the mean of its divisors is an integer number (1523943564).

Almost surely, 2^8440302798 is an apocalyptic number.

8440302798 is an abundant number, since it is smaller than the sum of its proper divisors (9847019970).

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

8440302798 is a wasteful number, since it uses less digits than its factorization.

8440302798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 468905719 (or 468905716 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 8440302798 is about 91871.1205874839. The cubic root of 8440302798 is about 2036.0386086539.

The spelling of 8440302798 in words is "eight billion, four hundred forty million, three hundred two thousand, seven hundred ninety-eight".