44463897000 has 384 divisors, whose sum is σ = 156689769600. Its totient is φ = 11809800000.

The previous prime is 44463896927. The next prime is 44463897011. The reversal of 44463897000 is 79836444.

44463897000 is a `hidden beast` number, since 4 + 4 + 4 + 638 + 9 + 7 + 0 + 0 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 177146875 + ... + 177147125.

It is an arithmetic number, because the mean of its divisors is an integer number (408046275).

Almost surely, 2^44463897000 is an apocalyptic number.

44463897000 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 44463897000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78344884800).

44463897000 is an abundant number, since it is smaller than the sum of its proper divisors (112225872600).

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

44463897000 is an frugal number, since it uses more digits than its factorization.

44463897000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305 (or 261 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The spelling of 44463897000 in words is "forty-four billion, four hundred sixty-three million, eight hundred ninety-seven thousand".