12377437632 has 280 divisors, whose sum is σ = 42794021600. Its totient is φ = 3535902720.

The previous prime is 12377437613. The next prime is 12377437663. The reversal of 12377437632 is 23673477321.

12377437632 is a `hidden beast` number, since 1 + 2 + 3 + 7 + 7 + 4 + 3 + 7 + 632 = 666.

It is a nude number because it is divisible by every one of its digits and also a Zuckerman number because it is divisible by the product of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1774632 + ... + 1781592.

Almost surely, 2^12377437632 is an apocalyptic number.

12377437632 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 12377437632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21397010800).

12377437632 is an abundant number, since it is smaller than the sum of its proper divisors (30416583968).

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

12377437632 is an frugal number, since it uses more digits than its factorization.

12377437632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7006 (or 6973 counting only the distinct ones).

The product of its digits is 889056, while the sum is 45.

The spelling of 12377437632 in words is "twelve billion, three hundred seventy-seven million, four hundred thirty-seven thousand, six hundred thirty-two".