39850859356 has 72 divisors (see below), whose sum is σ = 91551826800. Its totient is φ = 14990895360.

The previous prime is 39850859351. The next prime is 39850859401. The reversal of 39850859356 is 65395805893.

It is a junction number, because it is equal to n+sod(n) for n = 39850859294 and 39850859303.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39850859351) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 256161 + ... + 381208.

It is an arithmetic number, because the mean of its divisors is an integer number (1271553150).

Almost surely, 2^39850859356 is an apocalyptic number.

It is an amenable number.

39850859356 is an abundant number, since it is smaller than the sum of its proper divisors (51700967444).

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

39850859356 is a wasteful number, since it uses less digits than its factorization.

39850859356 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 637427 (or 637418 counting only the distinct ones).

The product of its (nonzero) digits is 34992000, while the sum is 61.

The spelling of 39850859356 in words is "thirty-nine billion, eight hundred fifty million, eight hundred fifty-nine thousand, three hundred fifty-six".