2118458401 has 8 divisors (see below), whose sum is σ = 2257599744. Its totient is φ = 1983236640.

The previous prime is 2118458399. The next prime is 2118458411. The reversal of 2118458401 is 1048548112.

It is a happy number.

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

It is not a de Polignac number, because 2118458401 - 2¹ = 2118458399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2118458411) 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, 978780 + ... + 980941.

It is an arithmetic number, because the mean of its divisors is an integer number (282199968).

Almost surely, 2^2118458401 is an apocalyptic number.

It is an amenable number.

2118458401 is a deficient number, since it is larger than the sum of its proper divisors (139141343).

2118458401 is a wasteful number, since it uses less digits than its factorization.

2118458401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959791.

The product of its (nonzero) digits is 10240, while the sum is 34.

The square root of 2118458401 is about 46026.7139930715. The cubic root of 2118458401 is about 1284.3202006215.

The spelling of 2118458401 in words is "two billion, one hundred eighteen million, four hundred fifty-eight thousand, four hundred one".