34074430640 has 20 divisors (see below), whose sum is σ = 79223051424. Its totient is φ = 13629772224.

The previous prime is 34074430591. The next prime is 34074430667. The reversal of 34074430640 is 4603447043.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×34074430640² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 34074430640.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212965112 + ... + 212965271.

Almost surely, 2^34074430640 is an apocalyptic number.

It is an amenable number.

34074430640 is an abundant number, since it is smaller than the sum of its proper divisors (45148620784).

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

34074430640 is a wasteful number, since it uses less digits than its factorization.

34074430640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 425930396 (or 425930390 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 35.

Adding to 34074430640 its reverse (4603447043), we get a palindrome (38677877683).

The spelling of 34074430640 in words is "thirty-four billion, seventy-four million, four hundred thirty thousand, six hundred forty".