39378939342400 has 168 divisors, whose sum is σ = 111584544578496. Its totient is φ = 13398286387200.

The previous prime is 39378939342299. The next prime is 39378939342469. The reversal of 39378939342400 is 424393987393.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11952559 + ... + 14886958.

Almost surely, 2^{39378939342400} is an apocalyptic number.

It is an amenable number.

39378939342400 is an abundant number, since it is smaller than the sum of its proper divisors (72205605236096).

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

39378939342400 is a wasteful number, since it uses less digits than its factorization.

39378939342400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26839677 (or 26839662 counting only the distinct ones).

The product of its (nonzero) digits is 105815808, while the sum is 64.

The spelling of 39378939342400 in words is "thirty-nine trillion, three hundred seventy-eight billion, nine hundred thirty-nine million, three hundred forty-two thousand, four hundred".