12434491480 has 96 divisors (see below), whose sum is σ = 30189027600. Its totient is φ = 4596618240.

The previous prime is 12434491463. The next prime is 12434491523. The reversal of 12434491480 is 8419443421.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1272694 + ... + 1282426.

Almost surely, 2^12434491480 is an apocalyptic number.

12434491480 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 12434491480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15094513800).

12434491480 is an abundant number, since it is smaller than the sum of its proper divisors (17754536120).

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

12434491480 is a wasteful number, since it uses less digits than its factorization.

12434491480 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9845 (or 9800 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The spelling of 12434491480 in words is "twelve billion, four hundred thirty-four million, four hundred ninety-one thousand, four hundred eighty".