1461980832 has 288 divisors, whose sum is σ = 4540281984. Its totient is φ = 408545280.

The previous prime is 1461980831. The next prime is 1461980851. The reversal of 1461980832 is 2380891641.

It is not an unprimeable number, because it can be changed into a prime (1461980831) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 27584518 + ... + 27584570.

It is an arithmetic number, because the mean of its divisors is an integer number (15764868).

Almost surely, 2^1461980832 is an apocalyptic number.

1461980832 is a gapful number since it is divisible by the number (12) 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 1461980832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2270140992).

1461980832 is an abundant number, since it is smaller than the sum of its proper divisors (3078301152).

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

1461980832 is a wasteful number, since it uses less digits than its factorization.

1461980832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164 (or 125 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 1461980832 is about 38235.8579346665. The cubic root of 1461980832 is about 1134.9600099762.

The spelling of 1461980832 in words is "one billion, four hundred sixty-one million, nine hundred eighty thousand, eight hundred thirty-two".