39348639744 has 48 divisors (see below), whose sum is σ = 104904104760. Its totient is φ = 13116211200.

The previous prime is 39348639731. The next prime is 39348639749. The reversal of 39348639744 is 44793684393.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39348639749) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3196057 + ... + 3208344.

Almost surely, 2^39348639744 is an apocalyptic number.

It is an amenable number.

39348639744 is an abundant number, since it is smaller than the sum of its proper divisors (65555465016).

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

39348639744 is an equidigital number, since it uses as much as digits as its factorization.

39348639744 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6404426 (or 6404406 counting only the distinct ones).

The product of its digits is 47029248, while the sum is 60.

The spelling of 39348639744 in words is "thirty-nine billion, three hundred forty-eight million, six hundred thirty-nine thousand, seven hundred forty-four".