40872351 has 8 divisors (see below), whose sum is σ = 58688560. Its totient is φ = 25152192.

The previous prime is 40872347. The next prime is 40872373. The reversal of 40872351 is 15327804.

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

It is not a de Polignac number, because 40872351 - 2² = 40872347 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40872331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 523966 + ... + 524043.

It is an arithmetic number, because the mean of its divisors is an integer number (7336070).

Almost surely, 2^40872351 is an apocalyptic number.

40872351 is a deficient number, since it is larger than the sum of its proper divisors (17816209).

40872351 is a wasteful number, since it uses less digits than its factorization.

40872351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1048025.

The product of its (nonzero) digits is 6720, while the sum is 30.

The square root of 40872351 is about 6393.1487547217. The cubic root of 40872351 is about 344.4634971501.

The spelling of 40872351 in words is "forty million, eight hundred seventy-two thousand, three hundred fifty-one".