39600005040 has 120 divisors (see below), whose sum is σ = 133206362640. Its totient is φ = 10542822912.

The previous prime is 39600005023. The next prime is 39600005051. The reversal of 39600005040 is 4050000693.

It is a happy number.

39600005040 is a `hidden beast` number, since 3 + 9 + 600 + 0 + 0 + 50 + 4 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a junction number, because it is equal to n+sod(n) for n = 39600004995 and 39600005013.

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, 401254 + ... + 490106.

It is an arithmetic number, because the mean of its divisors is an integer number (1110053022).

Almost surely, 2^39600005040 is an apocalyptic number.

39600005040 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39600005040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66603181320).

39600005040 is an abundant number, since it is smaller than the sum of its proper divisors (93606357600).

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

39600005040 is a wasteful number, since it uses less digits than its factorization.

39600005040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89491 (or 89482 counting only the distinct ones).

The product of its (nonzero) digits is 3240, while the sum is 27.

The spelling of 39600005040 in words is "thirty-nine billion, six hundred million, five thousand, forty".