40872039 has 16 divisors (see below), whose sum is σ = 60121824. Its totient is φ = 24537600.

The previous prime is 40872037. The next prime is 40872053. The reversal of 40872039 is 93027804.

It is not a de Polignac number, because 40872039 - 2¹ = 40872037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40872037) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11182 + ... + 14379.

It is an arithmetic number, because the mean of its divisors is an integer number (3757614).

Almost surely, 2^40872039 is an apocalyptic number.

40872039 is a deficient number, since it is larger than the sum of its proper divisors (19249785).

40872039 is a wasteful number, since it uses less digits than its factorization.

40872039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25618.

The product of its (nonzero) digits is 12096, while the sum is 33.

The square root of 40872039 is about 6393.1243535536. The cubic root of 40872039 is about 344.4626206580.

The spelling of 40872039 in words is "forty million, eight hundred seventy-two thousand, thirty-nine".