44051894040 has 768 divisors, whose sum is σ = 175845841920. Its totient is φ = 8642304000.

The previous prime is 44051894021. The next prime is 44051894129. The reversal of 44051894040 is 4049815044.

It is a super-2 number, since 2×44051894040² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 44051894040.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 1074436420 + ... + 1074436460.

It is an arithmetic number, because the mean of its divisors is an integer number (228965940).

Almost surely, 2^44051894040 is an apocalyptic number.

44051894040 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 44051894040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (87922920960).

44051894040 is an abundant number, since it is smaller than the sum of its proper divisors (131793947880).

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

44051894040 is a wasteful number, since it uses less digits than its factorization.

44051894040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 100 counting only the distinct ones).

The product of its (nonzero) digits is 92160, while the sum is 39.

The spelling of 44051894040 in words is "forty-four billion, fifty-one million, eight hundred ninety-four thousand, forty".