340878526128 has 240 divisors, whose sum is σ = 1126883430400. Its totient is φ = 94131279360.

The previous prime is 340878526103. The next prime is 340878526151. The reversal of 340878526128 is 821625878043.

340878526128 is a `hidden beast` number, since 3 + 40 + 8 + 78 + 526 + 1 + 2 + 8 = 666.

It is a hoax number, since the sum of its digits (54) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 25898013 + ... + 25911171.

Almost surely, 2^340878526128 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 340878526128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (563441715200).

340878526128 is an abundant number, since it is smaller than the sum of its proper divisors (786004904272).

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

340878526128 is a wasteful number, since it uses less digits than its factorization.

340878526128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14040 (or 14031 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The spelling of 340878526128 in words is "three hundred forty billion, eight hundred seventy-eight million, five hundred twenty-six thousand, one hundred twenty-eight".