340400673700 has 36 divisors (see below), whose sum is σ = 745983043092. Its totient is φ = 134812144000.

The previous prime is 340400673661. The next prime is 340400673709. The reversal of 340400673700 is 7376004043.

It can be written as a sum of positive squares in 6 ways, for example, as 12154180516 + 328246493184 = 110246^2 + 572928^2 .

It is not an unprimeable number, because it can be changed into a prime (340400673709) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 16841419 + ... + 16861618.

It is an arithmetic number, because the mean of its divisors is an integer number (20721751197).

Almost surely, 2^340400673700 is an apocalyptic number.

It is an amenable number.

340400673700 is an abundant number, since it is smaller than the sum of its proper divisors (405582369392).

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

340400673700 is a wasteful number, since it uses less digits than its factorization.

340400673700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33703152 (or 33703145 counting only the distinct ones).

The product of its (nonzero) digits is 42336, while the sum is 34.

Adding to 340400673700 its reverse (7376004043), we get a palindrome (347776677743).

The spelling of 340400673700 in words is "three hundred forty billion, four hundred million, six hundred seventy-three thousand, seven hundred".