1402451424 has 144 divisors (see below), whose sum is σ = 4443828480. Its totient is φ = 415898880.

The previous prime is 1402451383. The next prime is 1402451447. The reversal of 1402451424 is 4241542041.

1402451424 is a `hidden beast` number, since 140 + 2 + 4 + 514 + 2 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 144187 + ... + 153605.

It is an arithmetic number, because the mean of its divisors is an integer number (30859920).

Almost surely, 2^1402451424 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1402451424, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2221914240).

1402451424 is an abundant number, since it is smaller than the sum of its proper divisors (3041377056).

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

1402451424 is a wasteful number, since it uses less digits than its factorization.

1402451424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9493 (or 9482 counting only the distinct ones).

The product of its (nonzero) digits is 5120, while the sum is 27.

The square root of 1402451424 is about 37449.3180712279. The cubic root of 1402451424 is about 1119.3415091825.

Adding to 1402451424 its reverse (4241542041), we get a palindrome (5643993465).

The spelling of 1402451424 in words is "one billion, four hundred two million, four hundred fifty-one thousand, four hundred twenty-four".