2801478118 has 4 divisors (see below), whose sum is σ = 4202217180. Its totient is φ = 1400739058.

The previous prime is 2801478103. The next prime is 2801478157. The reversal of 2801478118 is 8118741082.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 700369528 + ... + 700369531.

It is an arithmetic number, because the mean of its divisors is an integer number (1050554295).

Almost surely, 2^2801478118 is an apocalyptic number.

2801478118 is a deficient number, since it is larger than the sum of its proper divisors (1400739062).

2801478118 is a wasteful number, since it uses less digits than its factorization.

2801478118 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1400739061.

The product of its (nonzero) digits is 28672, while the sum is 40.

The square root of 2801478118 is about 52928.9912807716. The cubic root of 2801478118 is about 1409.7077203808.

The spelling of 2801478118 in words is "two billion, eight hundred one million, four hundred seventy-eight thousand, one hundred eighteen".