40872801 has 4 divisors (see below), whose sum is σ = 54497072. Its totient is φ = 27248532.

The previous prime is 40872779. The next prime is 40872847. The reversal of 40872801 is 10827804.

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 not a de Polignac number, because 40872801 - 2⁹ = 40872289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40872851) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6812131 + ... + 6812136.

It is an arithmetic number, because the mean of its divisors is an integer number (13624268).

Almost surely, 2^40872801 is an apocalyptic number.

It is an amenable number.

40872801 is a deficient number, since it is larger than the sum of its proper divisors (13624271).

40872801 is a wasteful number, since it uses less digits than its factorization.

40872801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13624270.

The product of its (nonzero) digits is 3584, while the sum is 30.

The square root of 40872801 is about 6393.1839485502. The cubic root of 40872801 is about 344.4647613136.

The spelling of 40872801 in words is "forty million, eight hundred seventy-two thousand, eight hundred one".