39872140801 has 4 divisors (see below), whose sum is σ = 39880199104. Its totient is φ = 39864082500.

The previous prime is 39872140783. The next prime is 39872140817. The reversal of 39872140801 is 10804127893.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 39872140801 - 2¹⁹ = 39871616513 is a prime.

It is a super-2 number, since 2×39872140801² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (39872147801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4021725 + ... + 4031626.

It is an arithmetic number, because the mean of its divisors is an integer number (9970049776).

Almost surely, 2^39872140801 is an apocalyptic number.

It is an amenable number.

39872140801 is a deficient number, since it is larger than the sum of its proper divisors (8058303).

39872140801 is an equidigital number, since it uses as much as digits as its factorization.

39872140801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8058302.

The product of its (nonzero) digits is 96768, while the sum is 43.

The spelling of 39872140801 in words is "thirty-nine billion, eight hundred seventy-two million, one hundred forty thousand, eight hundred one".