1403220432 has 40 divisors (see below), whose sum is σ = 3782597184. Its totient is φ = 447403264.

The previous prime is 1403220407. The next prime is 1403220437. The reversal of 1403220432 is 2340223041.

It is a junction number, because it is equal to n+sod(n) for n = 1403220399 and 1403220408.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1403220437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 634413 + ... + 636620.

Almost surely, 2^1403220432 is an apocalyptic number.

1403220432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1403220432 is an abundant number, since it is smaller than the sum of its proper divisors (2379376752).

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

1403220432 is a wasteful number, since it uses less digits than its factorization.

1403220432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1271067 (or 1271061 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1403220432 is about 37459.5839806050. The cubic root of 1403220432 is about 1119.5460617911.

Adding to 1403220432 its reverse (2340223041), we get a palindrome (3743443473).

The spelling of 1403220432 in words is "one billion, four hundred three million, two hundred twenty thousand, four hundred thirty-two".