340542004 has 24 divisors (see below), whose sum is σ = 651557088. Its totient is φ = 154451040.

The previous prime is 340542001. The next prime is 340542017. The reversal of 340542004 is 400245043.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340542001) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12262 + ... + 28834.

It is an arithmetic number, because the mean of its divisors is an integer number (27148212).

Almost surely, 2^340542004 is an apocalyptic number.

It is an amenable number.

340542004 is a deficient number, since it is larger than the sum of its proper divisors (311015084).

340542004 is a wasteful number, since it uses less digits than its factorization.

340542004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17055 (or 17053 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 22.

The square root of 340542004 is about 18453.7802089436. The cubic root of 340542004 is about 698.3238837011.

Adding to 340542004 its reverse (400245043), we get a palindrome (740787047).

The spelling of 340542004 in words is "three hundred forty million, five hundred forty-two thousand, four".