39986435050 has 24 divisors (see below), whose sum is σ = 74380200300. Its totient is φ = 15993406080.

The previous prime is 39986435017. The next prime is 39986435053. The reversal of 39986435050 is 5053468993.

39986435050 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 25392103801 + 14594331249 = 159349^2 + 120807^2 .

It is not an unprimeable number, because it can be changed into a prime (39986435053) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1078216 + ... + 1114684.

Almost surely, 2^39986435050 is an apocalyptic number.

39986435050 is a deficient number, since it is larger than the sum of its proper divisors (34393765250).

39986435050 is a wasteful number, since it uses less digits than its factorization.

39986435050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58410 (or 58405 counting only the distinct ones).

The product of its (nonzero) digits is 3499200, while the sum is 52.

The spelling of 39986435050 in words is "thirty-nine billion, nine hundred eighty-six million, four hundred thirty-five thousand, fifty".