340512540280 has 128 divisors (see below), whose sum is σ = 848811571200. Its totient is φ = 121904640000.

The previous prime is 340512540229. The next prime is 340512540281. The reversal of 340512540280 is 82045215043.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340512540281) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12256405 + ... + 12284155.

It is an arithmetic number, because the mean of its divisors is an integer number (6631340400).

Almost surely, 2^340512540280 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340512540280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (424405785600).

340512540280 is an abundant number, since it is smaller than the sum of its proper divisors (508299030920).

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

340512540280 is a wasteful number, since it uses less digits than its factorization.

340512540280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28205 (or 28201 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 34.

The spelling of 340512540280 in words is "three hundred forty billion, five hundred twelve million, five hundred forty thousand, two hundred eighty".