40094289 has 6 divisors (see below), whose sum is σ = 57913986. Its totient is φ = 26729520.

The previous prime is 40094239. The next prime is 40094293. The reversal of 40094289 is 98249004.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 28804689 + 11289600 = 5367^2 + 3360^2 .

It is not a de Polignac number, because 40094289 - 2¹³ = 40086097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40094209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2227452 + ... + 2227469.

It is an arithmetic number, because the mean of its divisors is an integer number (9652331).

Almost surely, 2^40094289 is an apocalyptic number.

It is an amenable number.

40094289 is a deficient number, since it is larger than the sum of its proper divisors (17819697).

40094289 is a wasteful number, since it uses less digits than its factorization.

40094289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4454927 (or 4454924 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 36.

The square root of 40094289 is about 6332.0051326574. The cubic root of 40094289 is about 342.2636983371.

The spelling of 40094289 in words is "forty million, ninety-four thousand, two hundred eighty-nine".