343746105540 has 48 divisors (see below), whose sum is σ = 962515395072. Its totient is φ = 91663123456.

The previous prime is 343746105503. The next prime is 343746105541. The reversal of 343746105540 is 45501647343.

It is a super-2 number, since 2×343746105540² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 343746105492 and 343746105501.

It is not an unprimeable number, because it can be changed into a prime (343746105541) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3451117 + ... + 3549323.

It is an arithmetic number, because the mean of its divisors is an integer number (20052404064).

Almost surely, 2^343746105540 is an apocalyptic number.

343746105540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

343746105540 is an abundant number, since it is smaller than the sum of its proper divisors (618769289532).

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

343746105540 is a wasteful number, since it uses less digits than its factorization.

343746105540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156556 (or 156554 counting only the distinct ones).

The product of its (nonzero) digits is 604800, while the sum is 42.

The spelling of 343746105540 in words is "three hundred forty-three billion, seven hundred forty-six million, one hundred five thousand, five hundred forty".