39980148791 has 8 divisors (see below), whose sum is σ = 43633084944. Its totient is φ = 36330275520.

The previous prime is 39980148781. The next prime is 39980148811. The reversal of 39980148791 is 19784108993.

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

It is not a de Polignac number, because 39980148791 - 2¹⁴ = 39980132407 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 39980148791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (39980148721) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 738380 + ... + 790673.

It is an arithmetic number, because the mean of its divisors is an integer number (5454135618).

Almost surely, 2^39980148791 is an apocalyptic number.

39980148791 is a deficient number, since it is larger than the sum of its proper divisors (3652936153).

39980148791 is a wasteful number, since it uses less digits than its factorization.

39980148791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1531441.

The product of its (nonzero) digits is 3919104, while the sum is 59.

The spelling of 39980148791 in words is "thirty-nine billion, nine hundred eighty million, one hundred forty-eight thousand, seven hundred ninety-one".