340402033220 has 12 divisors (see below), whose sum is σ = 714844269804. Its totient is φ = 136160813280.

The previous prime is 340402033211. The next prime is 340402033271. The reversal of 340402033220 is 22330204043.

It can be written as a sum of positive squares in 2 ways, for example, as 210848109124 + 129553924096 = 459182^2 + 359936^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8510050811 + ... + 8510050850.

It is an arithmetic number, because the mean of its divisors is an integer number (59570355817).

Almost surely, 2^340402033220 is an apocalyptic number.

It is an amenable number.

340402033220 is an abundant number, since it is smaller than the sum of its proper divisors (374442236584).

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

340402033220 is a wasteful number, since it uses less digits than its factorization.

340402033220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17020101670 (or 17020101668 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 23.

Adding to 340402033220 its reverse (22330204043), we get a palindrome (362732237263).

The spelling of 340402033220 in words is "three hundred forty billion, four hundred two million, thirty-three thousand, two hundred twenty".