39440427347 has 16 divisors (see below), whose sum is σ = 41836322880. Its totient is φ = 37106353152.

The previous prime is 39440427287. The next prime is 39440427349. The reversal of 39440427347 is 74372404493.

39440427347 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 39440427347 - 2⁶ = 39440427283 is a prime.

It is not an unprimeable number, because it can be changed into a prime (39440427349) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286043 + ... + 400875.

It is an arithmetic number, because the mean of its divisors is an integer number (2614770180).

Almost surely, 2^39440427347 is an apocalyptic number.

39440427347 is a deficient number, since it is larger than the sum of its proper divisors (2395895533).

39440427347 is a wasteful number, since it uses less digits than its factorization.

39440427347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115102.

The product of its (nonzero) digits is 2032128, while the sum is 47.

The spelling of 39440427347 in words is "thirty-nine billion, four hundred forty million, four hundred twenty-seven thousand, three hundred forty-seven".