340018718840 has 32 divisors (see below), whose sum is σ = 775817364960. Its totient is φ = 134091888000.

The previous prime is 340018718833. The next prime is 340018718863. The reversal of 340018718840 is 48817810043.

It is a super-2 number, since 2×340018718840² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 340018718791 and 340018718800.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59859611 + ... + 59865290.

It is an arithmetic number, because the mean of its divisors is an integer number (24244292655).

Almost surely, 2^340018718840 is an apocalyptic number.

It is an amenable number.

340018718840 is an abundant number, since it is smaller than the sum of its proper divisors (435798646120).

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

340018718840 is a wasteful number, since it uses less digits than its factorization.

340018718840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119724983 (or 119724979 counting only the distinct ones).

The product of its (nonzero) digits is 172032, while the sum is 44.

The spelling of 340018718840 in words is "three hundred forty billion, eighteen million, seven hundred eighteen thousand, eight hundred forty".