1229490432 has 54 divisors (see below), whose sum is σ = 3544930662. Its totient is φ = 409829376.

The previous prime is 1229490419. The next prime is 1229490463. The reversal of 1229490432 is 2340949221.

1229490432 is a `hidden beast` number, since 122 + 9 + 490 + 43 + 2 = 666.

It can be written as a sum of positive squares in only one way, i.e., 767068416 + 462422016 = 27696^2 + 21504^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 264513 + ... + 269120.

Almost surely, 2^1229490432 is an apocalyptic number.

1229490432 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1229490432 is an abundant number, since it is smaller than the sum of its proper divisors (2315440230).

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

1229490432 is an equidigital number, since it uses as much as digits as its factorization.

1229490432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 533655 (or 533638 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 1229490432 is about 35064.0903489596. The cubic root of 1229490432 is about 1071.2932893119.

The spelling of 1229490432 in words is "one billion, two hundred twenty-nine million, four hundred ninety thousand, four hundred thirty-two".