39917406996 has 36 divisors (see below), whose sum is σ = 101077261012. Its totient is φ = 13282735104.

The previous prime is 39917406979. The next prime is 39917407003. The reversal of 39917406996 is 69960471993.

It can be written as a sum of positive squares in 2 ways, for example, as 34386510096 + 5530896900 = 185436^2 + 74370^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 940075 + ... + 981618.

Almost surely, 2^39917406996 is an apocalyptic number.

39917406996 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

39917406996 is an abundant number, since it is smaller than the sum of its proper divisors (61159854016).

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

39917406996 is a wasteful number, since it uses less digits than its factorization.

39917406996 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1922280 (or 1922275 counting only the distinct ones).

The product of its (nonzero) digits is 19840464, while the sum is 63.

The spelling of 39917406996 in words is "thirty-nine billion, nine hundred seventeen million, four hundred six thousand, nine hundred ninety-six".