39286161440 has 48 divisors (see below), whose sum is σ = 93023235648. Its totient is φ = 15678963456.

The previous prime is 39286161403. The next prime is 39286161443. The reversal of 39286161440 is 4416168293.

It is a junction number, because it is equal to n+sod(n) for n = 39286161391 and 39286161400.

It is not an unprimeable number, because it can be changed into a prime (39286161443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206252 + ... + 348011.

It is an arithmetic number, because the mean of its divisors is an integer number (1937984076).

Almost surely, 2^39286161440 is an apocalyptic number.

It is an amenable number.

39286161440 is an abundant number, since it is smaller than the sum of its proper divisors (53737074208).

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

39286161440 is a wasteful number, since it uses less digits than its factorization.

39286161440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 554721 (or 554713 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 44.

The spelling of 39286161440 in words is "thirty-nine billion, two hundred eighty-six million, one hundred sixty-one thousand, four hundred forty".