40375817 has 4 divisors (see below), whose sum is σ = 42500880. Its totient is φ = 38250756.

The previous prime is 40375807. The next prime is 40375823. The reversal of 40375817 is 71857304.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40375817 - 2¹⁴ = 40359433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40375807) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1062503 + ... + 1062540.

It is an arithmetic number, because the mean of its divisors is an integer number (10625220).

Almost surely, 2^40375817 is an apocalyptic number.

It is an amenable number.

40375817 is a deficient number, since it is larger than the sum of its proper divisors (2125063).

40375817 is a wasteful number, since it uses less digits than its factorization.

40375817 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2125062.

The product of its (nonzero) digits is 23520, while the sum is 35.

The square root of 40375817 is about 6354.1968021143. The cubic root of 40375817 is about 343.0629157538.

The spelling of 40375817 in words is "forty million, three hundred seventy-five thousand, eight hundred seventeen".