44476231680 has 468 divisors, whose sum is σ = 160570400952. Its totient is φ = 11824496640.

The previous prime is 44476231673. The next prime is 44476231687. The reversal of 44476231680 is 8613267444.

44476231680 is a `hidden beast` number, since 4 + 4 + 4 + 7 + 623 + 16 + 8 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (44476231673) and next prime (44476231687).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a nialpdrome in base 12.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44476231687) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 134369115 + ... + 134369445.

Almost surely, 2^44476231680 is an apocalyptic number.

44476231680 is a gapful number since it is divisible by the number (40) 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 44476231680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80285200476).

44476231680 is an abundant number, since it is smaller than the sum of its proper divisors (116094169272).

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

44476231680 is an frugal number, since it uses more digits than its factorization.

44476231680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 384 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 45.

The spelling of 44476231680 in words is "forty-four billion, four hundred seventy-six million, two hundred thirty-one thousand, six hundred eighty".