39919938026 has 4 divisors (see below), whose sum is σ = 59879907042. Its totient is φ = 19959969012.

The previous prime is 39919937989. The next prime is 39919938029. The reversal of 39919938026 is 62083991993.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 33898333225 + 6021604801 = 184115^2 + 77599^2 .

It is not an unprimeable number, because it can be changed into a prime (39919938029) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9979984505 + ... + 9979984508.

Almost surely, 2^39919938026 is an apocalyptic number.

39919938026 is a deficient number, since it is larger than the sum of its proper divisors (19959969016).

39919938026 is a wasteful number, since it uses less digits than its factorization.

39919938026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19959969015.

The product of its (nonzero) digits is 5668704, while the sum is 59.

The spelling of 39919938026 in words is "thirty-nine billion, nine hundred nineteen million, nine hundred thirty-eight thousand, twenty-six".