40214789 has 4 divisors (see below), whose sum is σ = 40250880. Its totient is φ = 40178700.

The previous prime is 40214767. The next prime is 40214803. The reversal of 40214789 is 98741204.

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 40214789 - 2²⁰ = 39166213 is a prime.

It is a Duffinian number.

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40214729) 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, 16319 + ... + 18620.

It is an arithmetic number, because the mean of its divisors is an integer number (10062720).

Almost surely, 2^40214789 is an apocalyptic number.

It is an amenable number.

40214789 is a deficient number, since it is larger than the sum of its proper divisors (36091).

40214789 is a wasteful number, since it uses less digits than its factorization.

40214789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36090.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 40214789 is about 6341.5131475067. The cubic root of 40214789 is about 342.6062369571.

The spelling of 40214789 in words is "forty million, two hundred fourteen thousand, seven hundred eighty-nine".