1402032424 has 16 divisors (see below), whose sum is σ = 2831027220. Its totient is φ = 647091840.

The previous prime is 1402032421. The next prime is 1402032427. The reversal of 1402032424 is 4242302041.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (1402032421) and next prime (1402032427).

It can be written as a sum of positive squares in 2 ways, for example, as 1191492324 + 210540100 = 34518^2 + 14510^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1402032395 and 1402032404.

It is not an unprimeable number, because it can be changed into a prime (1402032421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6740437 + ... + 6740644.

Almost surely, 2^1402032424 is an apocalyptic number.

It is an amenable number.

1402032424 is an abundant number, since it is smaller than the sum of its proper divisors (1428994796).

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

1402032424 is a wasteful number, since it uses less digits than its factorization.

1402032424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13481100 (or 13481096 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1402032424 is about 37443.7234259629. The cubic root of 1402032424 is about 1119.2300256285.

Adding to 1402032424 its reverse (4242302041), we get a palindrome (5644334465).

The spelling of 1402032424 in words is "one billion, four hundred two million, thirty-two thousand, four hundred twenty-four".