39494611582272 has 3360 divisors, whose sum is σ = 167970151557120. Its totient is φ = 8881271930880.

The previous prime is 39494611582213. The next prime is 39494611582273. The reversal of 39494611582272 is 27228511649493.

It is a happy number.

39494611582272 is a `hidden beast` number, since 3 + 9 + 4 + 9 + 4 + 611 + 5 + 8 + 2 + 2 + 7 + 2 = 666.

39494611582272 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×39494611582272² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39494611582273) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 479 ways as a sum of consecutive naturals, for example, 81097764813 + ... + 81097765299.

Almost surely, 2^{39494611582272} is an apocalyptic number.

39494611582272 is a gapful number since it is divisible by the number (32) 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 39494611582272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83985075778560).

39494611582272 is an abundant number, since it is smaller than the sum of its proper divisors (128475539974848).

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

39494611582272 is a wasteful number, since it uses less digits than its factorization.

39494611582272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619 (or 583 counting only the distinct ones).

The product of its digits is 52254720, while the sum is 63.

The spelling of 39494611582272 in words is "thirty-nine trillion, four hundred ninety-four billion, six hundred eleven million, five hundred eighty-two thousand, two hundred seventy-two".