34405423240 has 32 divisors (see below), whose sum is σ = 77659553880. Its totient is φ = 13718195712.

The previous prime is 34405423229. The next prime is 34405423321. The reversal of 34405423240 is 4232450443.

It can be written as a sum of positive squares in 4 ways, for example, as 26765614404 + 7639808836 = 163602^2 + 87406^2 .

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 7 ways as a sum of consecutive naturals, for example, 1361499 + ... + 1386538.

Almost surely, 2^34405423240 is an apocalyptic number.

It is an amenable number.

34405423240 is an abundant number, since it is smaller than the sum of its proper divisors (43254130640).

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

34405423240 is a wasteful number, since it uses less digits than its factorization.

34405423240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2748361 (or 2748357 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 31.

Adding to 34405423240 its reverse (4232450443), we get a palindrome (38637873683).

The spelling of 34405423240 in words is "thirty-four billion, four hundred five million, four hundred twenty-three thousand, two hundred forty".