39678360540 has 144 divisors (see below), whose sum is σ = 139179614112. Its totient is φ = 8371689984.

The previous prime is 39678360523. The next prime is 39678360581. The reversal of 39678360540 is 4506387693.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 480859 + ... + 557298.

It is an arithmetic number, because the mean of its divisors is an integer number (966525098).

Almost surely, 2^39678360540 is an apocalyptic number.

39678360540 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

39678360540 is an abundant number, since it is smaller than the sum of its proper divisors (99501253572).

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

39678360540 is a wasteful number, since it uses less digits than its factorization.

39678360540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038196 (or 1038187 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 51.

The spelling of 39678360540 in words is "thirty-nine billion, six hundred seventy-eight million, three hundred sixty thousand, five hundred forty".