40939419 has 8 divisors (see below), whose sum is σ = 55087120. Its totient is φ = 27042336.

The previous prime is 40939411. The next prime is 40939453. The reversal of 40939419 is 91493904.

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

It is not a de Polignac number, because 40939419 - 2³ = 40939411 is a prime.

It is a super-2 number, since 2×40939419² = 3352072056115122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40939411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 62272 + ... + 62925.

It is an arithmetic number, because the mean of its divisors is an integer number (6885890).

Almost surely, 2^40939419 is an apocalyptic number.

40939419 is a deficient number, since it is larger than the sum of its proper divisors (14147701).

40939419 is a wasteful number, since it uses less digits than its factorization.

40939419 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 125309.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 40939419 is about 6398.3919073467. The cubic root of 40939419 is about 344.6518058101.

The spelling of 40939419 in words is "forty million, nine hundred thirty-nine thousand, four hundred nineteen".