1234432980 has 192 divisors, whose sum is σ = 4250050560. Its totient is φ = 294940800.

The previous prime is 1234432963. The next prime is 1234433047. The reversal of 1234432980 is 892344321.

1234432980 is a `hidden beast` number, since 123 + 443 + 2 + 98 + 0 = 666.

It is a super-2 number, since 2×1234432980² = 3047649564223360800, which contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 420277 + ... + 423203.

It is an arithmetic number, because the mean of its divisors is an integer number (22135680).

Almost surely, 2^1234432980 is an apocalyptic number.

1234432980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1234432980, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2125025280).

1234432980 is an abundant number, since it is smaller than the sum of its proper divisors (3015617580).

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

1234432980 is a wasteful number, since it uses less digits than its factorization.

1234432980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3027 (or 3019 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 1234432980 is about 35134.4984310293. The cubic root of 1234432980 is about 1072.7269019655.

The spelling of 1234432980 in words is "one billion, two hundred thirty-four million, four hundred thirty-two thousand, nine hundred eighty".