39950735945 has 8 divisors (see below), whose sum is σ = 47977237440. Its totient is φ = 31936352560.

The previous prime is 39950735921. The next prime is 39950735971. The reversal of 39950735945 is 54953705993.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 39950735945 - 2⁸ = 39950735689 is a prime.

It is a super-2 number, since 2×39950735945² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3022271 + ... + 3035460.

It is an arithmetic number, because the mean of its divisors is an integer number (5997154680).

Almost surely, 2^39950735945 is an apocalyptic number.

It is an amenable number.

39950735945 is a deficient number, since it is larger than the sum of its proper divisors (8026501495).

39950735945 is a wasteful number, since it uses less digits than its factorization.

39950735945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6059055.

The product of its (nonzero) digits is 22963500, while the sum is 59.

The spelling of 39950735945 in words is "thirty-nine billion, nine hundred fifty million, seven hundred thirty-five thousand, nine hundred forty-five".