798340061438 has 16 divisors (see below), whose sum is σ = 1243717666560. Its totient is φ = 384055403736.

The previous prime is 798340061437. The next prime is 798340061443. The reversal of 798340061438 is 834160043897.

It is a super-2 number, since 2×798340061438² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 798340061438.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798340061437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71968856 + ... + 71979947.

It is an arithmetic number, because the mean of its divisors is an integer number (77732354160).

Almost surely, 2^798340061438 is an apocalyptic number.

798340061438 is a deficient number, since it is larger than the sum of its proper divisors (445377605122).

798340061438 is a wasteful number, since it uses less digits than its factorization.

798340061438 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143948911.

The product of its (nonzero) digits is 3483648, while the sum is 53.

The spelling of 798340061438 in words is "seven hundred ninety-eight billion, three hundred forty million, sixty-one thousand, four hundred thirty-eight".