340207720752 has 20 divisors (see below), whose sum is σ = 878869945400. Its totient is φ = 113402573568.

The previous prime is 340207720751. The next prime is 340207720757. The reversal of 340207720752 is 257027702043.

It is a super-2 number, since 2×340207720752² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 340207720752.

It is not an unprimeable number, because it can be changed into a prime (340207720751) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3543830377 + ... + 3543830472.

It is an arithmetic number, because the mean of its divisors is an integer number (43943497270).

Almost surely, 2^340207720752 is an apocalyptic number.

It is an amenable number.

340207720752 is an abundant number, since it is smaller than the sum of its proper divisors (538662224648).

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

340207720752 is a wasteful number, since it uses less digits than its factorization.

340207720752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7087660860 (or 7087660854 counting only the distinct ones).

The product of its (nonzero) digits is 164640, while the sum is 39.

The spelling of 340207720752 in words is "three hundred forty billion, two hundred seven million, seven hundred twenty thousand, seven hundred fifty-two".