799444349418 has 32 divisors (see below), whose sum is σ = 1878414697152. Its totient is φ = 223620796800.

The previous prime is 799444349413. The next prime is 799444349423. The reversal of 799444349418 is 814943444997.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (799444349413) and next prime (799444349423).

It is a super-2 number, since 2×799444349418² (a number of 25 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (66).

It is not an unprimeable number, because it can be changed into a prime (799444349411) 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 15 ways as a sum of consecutive naturals, for example, 465875803 + ... + 465877518.

It is an arithmetic number, because the mean of its divisors is an integer number (58700459286).

Almost surely, 2^799444349418 is an apocalyptic number.

799444349418 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

799444349418 is an abundant number, since it is smaller than the sum of its proper divisors (1078970347734).

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

799444349418 is a wasteful number, since it uses less digits than its factorization.

799444349418 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 931753350.

The product of its digits is 125411328, while the sum is 66.

The spelling of 799444349418 in words is "seven hundred ninety-nine billion, four hundred forty-four million, three hundred forty-nine thousand, four hundred eighteen".