39840272459628 has 24 divisors (see below), whose sum is σ = 92961197585088. Its totient is φ = 13280010556176.

The previous prime is 39840272459587. The next prime is 39840272459641. The reversal of 39840272459628 is 82695427204893.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7947426 + ... + 11951657.

It is an arithmetic number, because the mean of its divisors is an integer number (3873383232712).

Almost surely, 2^{39840272459628} is an apocalyptic number.

It is an amenable number.

39840272459628 is an abundant number, since it is smaller than the sum of its proper divisors (53120925125460).

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

39840272459628 is a wasteful number, since it uses less digits than its factorization.

39840272459628 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20065933 (or 20065931 counting only the distinct ones).

The product of its (nonzero) digits is 418037760, while the sum is 69.

The spelling of 39840272459628 in words is "thirty-nine trillion, eight hundred forty billion, two hundred seventy-two million, four hundred fifty-nine thousand, six hundred twenty-eight".