340454578 has 16 divisors (see below), whose sum is σ = 538200000. Its totient is φ = 161075952.

The previous prime is 340454561. The next prime is 340454593. The reversal of 340454578 is 875454043.

It is a self number, because there is not a number n which added to its sum of digits gives 340454578.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30048 + ... + 39796.

It is an arithmetic number, because the mean of its divisors is an integer number (33637500).

Almost surely, 2^340454578 is an apocalyptic number.

340454578 is a gapful number since it is divisible by the number (38) formed by its first and last digit.

340454578 is a deficient number, since it is larger than the sum of its proper divisors (197745422).

340454578 is a wasteful number, since it uses less digits than its factorization.

340454578 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10689.

The product of its (nonzero) digits is 268800, while the sum is 40.

The square root of 340454578 is about 18451.4112739378. The cubic root of 340454578 is about 698.2641192781.

The spelling of 340454578 in words is "three hundred forty million, four hundred fifty-four thousand, five hundred seventy-eight".