39781729482 has 32 divisors (see below), whose sum is σ = 86809743360. Its totient is φ = 12053230320.

The previous prime is 39781729469. The next prime is 39781729487. The reversal of 39781729482 is 28492718793.

It is not an unprimeable number, because it can be changed into a prime (39781729487) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 426369 + ... + 511227.

It is an arithmetic number, because the mean of its divisors is an integer number (2712804480).

Almost surely, 2^39781729482 is an apocalyptic number.

39781729482 is an abundant number, since it is smaller than the sum of its proper divisors (47028013878).

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

39781729482 is a wasteful number, since it uses less digits than its factorization.

39781729482 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91978.

The product of its digits is 12192768, while the sum is 60.

The spelling of 39781729482 in words is "thirty-nine billion, seven hundred eighty-one million, seven hundred twenty-nine thousand, four hundred eighty-two".