40373669 has 8 divisors (see below), whose sum is σ = 46274880. Its totient is φ = 34505856.

The previous prime is 40373659. The next prime is 40373699. The reversal of 40373669 is 96637304.

It is a happy number.

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

It is not a de Polignac number, because 40373669 - 2⁸ = 40373413 is a prime.

It is a super-2 number, since 2×40373669² = 3260066297043122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40373609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5699 + ... + 10640.

It is an arithmetic number, because the mean of its divisors is an integer number (5784360).

Almost surely, 2^40373669 is an apocalyptic number.

It is an amenable number.

40373669 is a deficient number, since it is larger than the sum of its proper divisors (5901211).

40373669 is a wasteful number, since it uses less digits than its factorization.

40373669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16699.

The product of its (nonzero) digits is 81648, while the sum is 38.

The square root of 40373669 is about 6354.0277777171. The cubic root of 40373669 is about 343.0568319784.

The spelling of 40373669 in words is "forty million, three hundred seventy-three thousand, six hundred sixty-nine".