340042531535 has 32 divisors (see below), whose sum is σ = 493878021120. Its totient is φ = 219410698752.

The previous prime is 340042531511. The next prime is 340042531547. The reversal of 340042531535 is 535135240043.

It is a happy number.

It is not a de Polignac number, because 340042531535 - 2¹² = 340042527439 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a junction number, because it is equal to n+sod(n) for n = 340042531495 and 340042531504.

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, 2953622 + ... + 3066588.

It is an arithmetic number, because the mean of its divisors is an integer number (15433688160).

Almost surely, 2^340042531535 is an apocalyptic number.

340042531535 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

340042531535 is a deficient number, since it is larger than the sum of its proper divisors (153835489585).

340042531535 is a wasteful number, since it uses less digits than its factorization.

340042531535 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118055.

The product of its (nonzero) digits is 108000, while the sum is 35.

Adding to 340042531535 its reverse (535135240043), we get a palindrome (875177771578).

The spelling of 340042531535 in words is "three hundred forty billion, forty-two million, five hundred thirty-one thousand, five hundred thirty-five".