340433442 has 40 divisors (see below), whose sum is σ = 795998016. Its totient is φ = 108542808.

The previous prime is 340433417. The next prime is 340433453. The reversal of 340433442 is 244334043.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 41958 + ... + 49409.

Almost surely, 2^340433442 is an apocalyptic number.

340433442 is an abundant number, since it is smaller than the sum of its proper divisors (455564574).

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

340433442 is a wasteful number, since it uses less digits than its factorization.

340433442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91404 (or 91395 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 27.

The square root of 340433442 is about 18450.8385175308. The cubic root of 340433442 is about 698.2496691705.

Adding to 340433442 its reverse (244334043), we get a palindrome (584767485).

The spelling of 340433442 in words is "three hundred forty million, four hundred thirty-three thousand, four hundred forty-two".