340007040 has 96 divisors (see below), whose sum is σ = 1174106700. Its totient is φ = 90667008.

The previous prime is 340007027. The next prime is 340007047. The reversal of 340007040 is 40700043.

It can be written as a sum of positive squares in 2 ways, for example, as 316270656 + 23736384 = 17784^2 + 4872^2 .

It is a tau number, because it is divible by the number of its divisors (96).

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

It is not an unprimeable number, because it can be changed into a prime (340007047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23755 + ... + 35274.

Almost surely, 2^340007040 is an apocalyptic number.

340007040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

340007040 is an abundant number, since it is smaller than the sum of its proper divisors (834099660).

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

340007040 is a wasteful number, since it uses less digits than its factorization.

340007040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59054 (or 59039 counting only the distinct ones).

The product of its (nonzero) digits is 336, while the sum is 18.

The square root of 340007040 is about 18439.2798124005. The cubic root of 340007040 is about 697.9580219033.

Adding to 340007040 its reverse (40700043), we get a palindrome (380707083).

The spelling of 340007040 in words is "three hundred forty million, seven thousand, forty".