40343332034340 has 72 divisors (see below), whose sum is σ = 122379431199480. Its totient is φ = 10757812437504.

The previous prime is 40343332034339. The next prime is 40343332034353. The reversal of 40343332034340 is 4343023334304.

40343332034340 is a `hidden beast` number, since 4 + 0 + 343 + 33 + 203 + 43 + 40 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 852966767844 + 39490365266496 = 923562^2 + 6284136^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 40343332034295 and 40343332034304.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 492456 + ... + 8996064.

It is an arithmetic number, because the mean of its divisors is an integer number (1699714322215).

Almost surely, 2^{40343332034340} is an apocalyptic number.

It is an amenable number.

40343332034340 is an abundant number, since it is smaller than the sum of its proper divisors (82036099165140).

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

40343332034340 is a wasteful number, since it uses less digits than its factorization.

40343332034340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8529981 (or 8529976 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 36.

Adding to 40343332034340 its reverse (4343023334304), we get a palindrome (44686355368644).

The spelling of 40343332034340 in words is "forty trillion, three hundred forty-three billion, three hundred thirty-two million, thirty-four thousand, three hundred forty".