1232428416 has 32 divisors (see below), whose sum is σ = 3273639000. Its totient is φ = 410809344.

The previous prime is 1232428409. The next prime is 1232428429. The reversal of 1232428416 is 6148242321.

It is a tau number, because it is divible by the number of its divisors (32).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1604341 + ... + 1605108.

Almost surely, 2^1232428416 is an apocalyptic number.

1232428416 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1232428416 is an abundant number, since it is smaller than the sum of its proper divisors (2041210584).

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

1232428416 is an equidigital number, since it uses as much as digits as its factorization.

1232428416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3209466 (or 3209454 counting only the distinct ones).

The product of its digits is 18432, while the sum is 33.

The square root of 1232428416 is about 35105.9598359025. The cubic root of 1232428416 is about 1072.1459294917.

The spelling of 1232428416 in words is "one billion, two hundred thirty-two million, four hundred twenty-eight thousand, four hundred sixteen".