1408668042 has 32 divisors (see below), whose sum is σ = 2987107200. Its totient is φ = 441335808.

The previous prime is 1408668017. The next prime is 1408668043. The reversal of 1408668042 is 2408668041.

It is a super-2 number, since 2×1408668042² = 3968691305104227528, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1408668043) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69459 + ... + 87417.

It is an arithmetic number, because the mean of its divisors is an integer number (93347100).

Almost surely, 2^1408668042 is an apocalyptic number.

1408668042 is an abundant number, since it is smaller than the sum of its proper divisors (1578439158).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1408668042 is a wasteful number, since it uses less digits than its factorization.

1408668042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18750.

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 1408668042 is about 37532.2267125200. The cubic root of 1408668042 is about 1120.9929655947.

Subtracting 1408668042 from its reverse (2408668041), we obtain a palindrome (999999999).

It can be divided in two parts, 14086 and 68042, that added together give a palindrome (82128).

The spelling of 1408668042 in words is "one billion, four hundred eight million, six hundred sixty-eight thousand, forty-two".