340310040 has 128 divisors (see below), whose sum is σ = 1175040000. Its totient is φ = 77234688.

The previous prime is 340310039. The next prime is 340310057. The reversal of 340310040 is 40013043.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent 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, 123801 + ... + 126519.

It is an arithmetic number, because the mean of its divisors is an integer number (9180000).

Almost surely, 2^340310040 is an apocalyptic number.

340310040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 340310040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (587520000).

340310040 is an abundant number, since it is smaller than the sum of its proper divisors (834729960).

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

340310040 is a wasteful number, since it uses less digits than its factorization.

340310040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2889 (or 2885 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 340310040 is about 18447.4941387713. The cubic root of 340310040 is about 698.1652906416.

Adding to 340310040 its reverse (40013043), we get a palindrome (380323083).

The spelling of 340310040 in words is "three hundred forty million, three hundred ten thousand, forty".