1402243432 has 8 divisors (see below), whose sum is σ = 2629206450. Its totient is φ = 701121712.

The previous prime is 1402243421. The next prime is 1402243457. The reversal of 1402243432 is 2343422041.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1264086916 + 138156516 = 35554^2 + 11754^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 1402243397 and 1402243406.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 87640207 + ... + 87640222.

Almost surely, 2^1402243432 is an apocalyptic number.

It is an amenable number.

1402243432 is a deficient number, since it is larger than the sum of its proper divisors (1226963018).

1402243432 is a wasteful number, since it uses less digits than its factorization.

1402243432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175280435 (or 175280431 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 1402243432 is about 37446.5409884545. The cubic root of 1402243432 is about 1119.2861714157.

Adding to 1402243432 its reverse (2343422041), we get a palindrome (3745665473).

The spelling of 1402243432 in words is "one billion, four hundred two million, two hundred forty-three thousand, four hundred thirty-two".