340010442 has 24 divisors (see below), whose sum is σ = 762093540. Its totient is φ = 109428480.

The previous prime is 340010441. The next prime is 340010459. The reversal of 340010442 is 244010043.

It can be written as a sum of positive squares in 2 ways, for example, as 298909521 + 41100921 = 17289^2 + 6411^2 .

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 (340010441) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 325159 + ... + 326202.

Almost surely, 2^340010442 is an apocalyptic number.

340010442 is an abundant number, since it is smaller than the sum of its proper divisors (422083098).

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

340010442 is a wasteful number, since it uses less digits than its factorization.

340010442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 651398 (or 651395 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 340010442 is about 18439.3720608919. The cubic root of 340010442 is about 697.9603497426.

Adding to 340010442 its reverse (244010043), we get a palindrome (584020485).

The spelling of 340010442 in words is "three hundred forty million, ten thousand, four hundred forty-two".