34240640235445 has 64 divisors (see below), whose sum is σ = 47452495140864. Its totient is φ = 23233437077760.

The previous prime is 34240640235437. The next prime is 34240640235449. The reversal of 34240640235445 is 54453204604243.

It is a happy number.

It is not a de Polignac number, because 34240640235445 - 2³ = 34240640235437 is a prime.

It is a super-3 number, since 3×34240640235445³ (a number of 42 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 34240640235395 and 34240640235404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34240640235449) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4230891819 + ... + 4230899911.

It is an arithmetic number, because the mean of its divisors is an integer number (741445236576).

Almost surely, 2^{34240640235445} is an apocalyptic number.

34240640235445 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

34240640235445 is a deficient number, since it is larger than the sum of its proper divisors (13211854905419).

34240640235445 is a wasteful number, since it uses less digits than its factorization.

34240640235445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10762.

The product of its (nonzero) digits is 5529600, while the sum is 46.

Adding to 34240640235445 its reverse (54453204604243), we get a palindrome (88693844839688).

The spelling of 34240640235445 in words is "thirty-four trillion, two hundred forty billion, six hundred forty million, two hundred thirty-five thousand, four hundred forty-five".