1402493218 has 24 divisors (see below), whose sum is σ = 2510010432. Its totient is φ = 574659624.

The previous prime is 1402493201. The next prime is 1402493219. The reversal of 1402493218 is 8123942041.

It is not an unprimeable number, because it can be changed into a prime (1402493219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 670971 + ... + 673057.

It is an arithmetic number, because the mean of its divisors is an integer number (104583768).

Almost surely, 2^1402493218 is an apocalyptic number.

1402493218 is a deficient number, since it is larger than the sum of its proper divisors (1107517214).

1402493218 is an frugal number, since it uses more digits than its factorization.

1402493218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4206 (or 2119 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 1402493218 is about 37449.8760745613. The cubic root of 1402493218 is about 1119.3526281164.

The spelling of 1402493218 in words is "one billion, four hundred two million, four hundred ninety-three thousand, two hundred eighteen".