340341878642904 has 128 divisors (see below), whose sum is σ = 957261639096000. Its totient is φ = 113424059773440.

The previous prime is 340341878642903. The next prime is 340341878642917. The reversal of 340341878642904 is 409246878143043.

340341878642904 is a `hidden beast` number, since 3 + 4 + 0 + 3 + 418 + 78 + 64 + 2 + 90 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340341878642903) 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, 83548524 + ... + 87527364.

Almost surely, 2^{340341878642904} 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 340341878642904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (478630819548000).

340341878642904 is an abundant number, since it is smaller than the sum of its proper divisors (616919760453096).

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

340341878642904 is an equidigital number, since it uses as much as digits as its factorization.

340341878642904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3983757 (or 3983735 counting only the distinct ones).

The product of its (nonzero) digits is 111476736, while the sum is 63.

The spelling of 340341878642904 in words is "three hundred forty trillion, three hundred forty-one billion, eight hundred seventy-eight million, six hundred forty-two thousand, nine hundred four".