44534318840 has 64 divisors (see below), whose sum is σ = 109982309760. Its totient is φ = 16094920320.

The previous prime is 44534318839. The next prime is 44534318849. The reversal of 44534318840 is 4881343544.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 44534318791 and 44534318800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44534318849) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238754 + ... + 382193.

It is an arithmetic number, because the mean of its divisors is an integer number (1718473590).

Almost surely, 2^44534318840 is an apocalyptic number.

44534318840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44534318840 is an abundant number, since it is smaller than the sum of its proper divisors (65447990920).

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

44534318840 is a wasteful number, since it uses less digits than its factorization.

44534318840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 621132 (or 621128 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 44.

The spelling of 44534318840 in words is "forty-four billion, five hundred thirty-four million, three hundred eighteen thousand, eight hundred forty".