39439362136104 has 640 divisors, whose sum is σ = 129892215889920. Its totient is φ = 10948408934400.

The previous prime is 39439362136079. The next prime is 39439362136117. The reversal of 39439362136104 is 40163126393493.

39439362136104 is a `hidden beast` number, since 3 + 9 + 4 + 3 + 9 + 3 + 6 + 2 + 13 + 610 + 4 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 8468832144 + ... + 8468836800.

It is an arithmetic number, because the mean of its divisors is an integer number (202956587328).

Almost surely, 2^{39439362136104} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39439362136104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64946107944960).

39439362136104 is an abundant number, since it is smaller than the sum of its proper divisors (90452853753816).

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

39439362136104 is a wasteful number, since it uses less digits than its factorization.

39439362136104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5111 (or 5098 counting only the distinct ones).

The product of its (nonzero) digits is 7558272, while the sum is 54.

The spelling of 39439362136104 in words is "thirty-nine trillion, four hundred thirty-nine billion, three hundred sixty-two million, one hundred thirty-six thousand, one hundred four".