34378440625 has 24 divisors (see below), whose sum is σ = 43160487552. Its totient is φ = 27381030000.

The previous prime is 34378440623. The next prime is 34378440661. The reversal of 34378440625 is 52604487343.

It is not a de Polignac number, because 34378440625 - 2¹ = 34378440623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (34378440623) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 685144 + ... + 733606.

It is an arithmetic number, because the mean of its divisors is an integer number (1798353648).

Almost surely, 2^34378440625 is an apocalyptic number.

It is an amenable number.

34378440625 is a deficient number, since it is larger than the sum of its proper divisors (8782046927).

34378440625 is an frugal number, since it uses more digits than its factorization.

34378440625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48715 (or 48695 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 46.

The spelling of 34378440625 in words is "thirty-four billion, three hundred seventy-eight million, four hundred forty thousand, six hundred twenty-five".