340351020 has 72 divisors (see below), whose sum is σ = 1056431376. Its totient is φ = 88647552.

The previous prime is 340351019. The next prime is 340351051. The reversal of 340351020 is 20153043.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 340350984 and 340351002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14247 + ... + 29726.

It is an arithmetic number, because the mean of its divisors is an integer number (14672658).

Almost surely, 2^340351020 is an apocalyptic number.

340351020 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

340351020 is an abundant number, since it is smaller than the sum of its proper divisors (716080356).

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

340351020 is a wasteful number, since it uses less digits than its factorization.

340351020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44031 (or 44026 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 340351020 is about 18448.6048252978. The cubic root of 340351020 is about 698.1933137793.

The spelling of 340351020 in words is "three hundred forty million, three hundred fifty-one thousand, twenty".