340528386578 has 64 divisors (see below), whose sum is σ = 546365921280. Its totient is φ = 158723712000.

The previous prime is 340528386563. The next prime is 340528386617. The reversal of 340528386578 is 875683825043.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 539664323 + ... + 539664953.

It is an arithmetic number, because the mean of its divisors is an integer number (8536967520).

Almost surely, 2^340528386578 is an apocalyptic number.

340528386578 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

340528386578 is a deficient number, since it is larger than the sum of its proper divisors (205837534702).

340528386578 is a wasteful number, since it uses less digits than its factorization.

340528386578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1543.

The product of its (nonzero) digits is 38707200, while the sum is 59.

The spelling of 340528386578 in words is "three hundred forty billion, five hundred twenty-eight million, three hundred eighty-six thousand, five hundred seventy-eight".