44659423872 has 320 divisors, whose sum is σ = 156006829440. Its totient is φ = 12414228480.

The previous prime is 44659423871. The next prime is 44659423891. The reversal of 44659423872 is 27832495644.

It is a happy number.

44659423872 is a `hidden beast` number, since 4 + 46 + 594 + 2 + 3 + 8 + 7 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (44659423871) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 2676997 + ... + 2693627.

It is an arithmetic number, because the mean of its divisors is an integer number (487521342).

Almost surely, 2^44659423872 is an apocalyptic number.

44659423872 is a gapful number since it is divisible by the number (42) 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 44659423872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78003414720).

44659423872 is an abundant number, since it is smaller than the sum of its proper divisors (111347405568).

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

44659423872 is a wasteful number, since it uses less digits than its factorization.

44659423872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16701 (or 16680 counting only the distinct ones).

The product of its digits is 11612160, while the sum is 54.

The spelling of 44659423872 in words is "forty-four billion, six hundred fifty-nine million, four hundred twenty-three thousand, eight hundred seventy-two".