814118890 has 16 divisors (see below), whose sum is σ = 1578138408. Its totient is φ = 300597696.

The previous prime is 814118887. The next prime is 814118891. The reversal of 814118890 is 98811418.

It can be written as a sum of positive squares in 4 ways, for example, as 703469529 + 110649361 = 26523^2 + 10519^2 .

It is not an unprimeable number, because it can be changed into a prime (814118891) 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, 3131097 + ... + 3131356.

Almost surely, 2^814118890 is an apocalyptic number.

814118890 is a deficient number, since it is larger than the sum of its proper divisors (764019518).

814118890 is a wasteful number, since it uses less digits than its factorization.

814118890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6262473.

The product of its (nonzero) digits is 18432, while the sum is 40.

The square root of 814118890 is about 28532.7687054727. The cubic root of 814118890 is about 933.7471242012.

The spelling of 814118890 in words is "eight hundred fourteen million, one hundred eighteen thousand, eight hundred ninety".