1418778241 has 8 divisors (see below), whose sum is σ = 1499865120. Its totient is φ = 1338332832.

The previous prime is 1418778191. The next prime is 1418778289. The reversal of 1418778241 is 1428778141.

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

It is a cyclic number.

It is not a de Polignac number, because 1418778241 - 2¹³ = 1418770049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1418778941) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 155815 + ... + 164668.

It is an arithmetic number, because the mean of its divisors is an integer number (187483140).

Almost surely, 2^1418778241 is an apocalyptic number.

It is an amenable number.

1418778241 is a deficient number, since it is larger than the sum of its proper divisors (81086879).

1418778241 is a wasteful number, since it uses less digits than its factorization.

1418778241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 320735.

The product of its digits is 100352, while the sum is 43.

The square root of 1418778241 is about 37666.6728156337. The cubic root of 1418778241 is about 1123.6684139130.

The spelling of 1418778241 in words is "one billion, four hundred eighteen million, seven hundred seventy-eight thousand, two hundred forty-one".