340354140 has 48 divisors (see below), whose sum is σ = 1089134592. Its totient is φ = 77795136.

The previous prime is 340354139. The next prime is 340354211. The reversal of 340354140 is 41453043.

It is a self number, because there is not a number n which added to its sum of digits gives 340354140.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 404764 + ... + 405603.

It is an arithmetic number, because the mean of its divisors is an integer number (22690304).

Almost surely, 2^340354140 is an apocalyptic number.

340354140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

340354140 is an abundant number, since it is smaller than the sum of its proper divisors (748780452).

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

340354140 is a wasteful number, since it uses less digits than its factorization.

340354140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810386 (or 810384 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 340354140 is about 18448.6893843438. The cubic root of 340354140 is about 698.1954472203.

The spelling of 340354140 in words is "three hundred forty million, three hundred fifty-four thousand, one hundred forty".