44542803840 has 256 divisors, whose sum is σ = 148431052800. Its totient is φ = 11348213760.

The previous prime is 44542803829. The next prime is 44542803889. The reversal of 44542803840 is 4830824544.

It is a happy number.

It is a super-2 number, since 2×44542803840² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44542803792 and 44542803801.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4697344 + ... + 4706816.

It is an arithmetic number, because the mean of its divisors is an integer number (579808800).

Almost surely, 2^44542803840 is an apocalyptic number.

44542803840 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 44542803840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74215526400).

44542803840 is an abundant number, since it is smaller than the sum of its proper divisors (103888248960).

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

44542803840 is a wasteful number, since it uses less digits than its factorization.

44542803840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9605 (or 9593 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 42.

The spelling of 44542803840 in words is "forty-four billion, five hundred forty-two million, eight hundred three thousand, eight hundred forty".