1403430221424 has 160 divisors (see below), whose sum is σ = 4758041180160. Its totient is φ = 345341664000.

The previous prime is 1403430221387. The next prime is 1403430221489. The reversal of 1403430221424 is 4241220343041.

It is a junction number, because it is equal to n+sod(n) for n = 1403430221391 and 1403430221400.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9922302 + ... + 10062749.

It is an arithmetic number, because the mean of its divisors is an integer number (29737757376).

Almost surely, 2^{1403430221424} is an apocalyptic number.

1403430221424 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1403430221424 is an abundant number, since it is smaller than the sum of its proper divisors (3354610958736).

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

1403430221424 is a wasteful number, since it uses less digits than its factorization.

1403430221424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19985099 (or 19985093 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 30.

Adding to 1403430221424 its reverse (4241220343041), we get a palindrome (5644650564465).

The spelling of 1403430221424 in words is "one trillion, four hundred three billion, four hundred thirty million, two hundred twenty-one thousand, four hundred twenty-four".