39140996645 has 24 divisors (see below), whose sum is σ = 51087705120. Its totient is φ = 28707760800.

The previous prime is 39140996641. The next prime is 39140996651. The reversal of 39140996645 is 54669904193.

39140996645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 39140996645 - 2² = 39140996641 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39140996641) 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, 123071 + ... + 305660.

It is an arithmetic number, because the mean of its divisors is an integer number (2128654380).

Almost surely, 2^39140996645 is an apocalyptic number.

It is an amenable number.

39140996645 is a deficient number, since it is larger than the sum of its proper divisors (11946708475).

39140996645 is a wasteful number, since it uses less digits than its factorization.

39140996645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 428817 (or 428786 counting only the distinct ones).

The product of its (nonzero) digits is 6298560, while the sum is 56.

The spelling of 39140996645 in words is "thirty-nine billion, one hundred forty million, nine hundred ninety-six thousand, six hundred forty-five".