40079001 has 8 divisors (see below), whose sum is σ = 55162624. Its totient is φ = 25857360.

The previous prime is 40078993. The next prime is 40079021. The reversal of 40079001 is 10097004.

40079001 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 40079001 - 2³ = 40078993 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40079021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215386 + ... + 215571.

It is an arithmetic number, because the mean of its divisors is an integer number (6895328).

Almost surely, 2^40079001 is an apocalyptic number.

It is an amenable number.

40079001 is a deficient number, since it is larger than the sum of its proper divisors (15083623).

40079001 is a wasteful number, since it uses less digits than its factorization.

40079001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 430991.

The product of its (nonzero) digits is 252, while the sum is 21.

The square root of 40079001 is about 6330.7978170212. The cubic root of 40079001 is about 342.2201909553.

It can be divided in two parts, 400 and 79001, that added together give a triangular number (79401 = T₃₉₈).

The spelling of 40079001 in words is "forty million, seventy-nine thousand, one".