40383873 has 16 divisors (see below), whose sum is σ = 62977600. Its totient is φ = 25505280.

The previous prime is 40383869. The next prime is 40383881. The reversal of 40383873 is 37838304.

It is not a de Polignac number, because 40383873 - 2² = 40383869 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 (40383803) 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, 38848 + ... + 39873.

It is an arithmetic number, because the mean of its divisors is an integer number (3936100).

Almost surely, 2^40383873 is an apocalyptic number.

It is an amenable number.

40383873 is a deficient number, since it is larger than the sum of its proper divisors (22593727).

40383873 is a wasteful number, since it uses less digits than its factorization.

40383873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78749 (or 78743 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 36.

The square root of 40383873 is about 6354.8306822448. The cubic root of 40383873 is about 343.0857308221.

The spelling of 40383873 in words is "forty million, three hundred eighty-three thousand, eight hundred seventy-three".