12462471840 has 288 divisors, whose sum is σ = 49180037760. Its totient is φ = 2629380096.

The previous prime is 12462471787. The next prime is 12462471907. The reversal of 12462471840 is 4817426421.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 285381 + ... + 326139.

It is an arithmetic number, because the mean of its divisors is an integer number (170764020).

Almost surely, 2^12462471840 is an apocalyptic number.

12462471840 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 12462471840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24590018880).

12462471840 is an abundant number, since it is smaller than the sum of its proper divisors (36717565920).

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

12462471840 is a wasteful number, since it uses less digits than its factorization.

12462471840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40804 (or 40789 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 39.

The spelling of 12462471840 in words is "twelve billion, four hundred sixty-two million, four hundred seventy-one thousand, eight hundred forty".