44023643240 has 32 divisors (see below), whose sum is σ = 99410815080. Its totient is φ = 17545880832.

The previous prime is 44023643221. The next prime is 44023643269. The reversal of 44023643240 is 4234632044.

It can be written as a sum of positive squares in 4 ways, for example, as 30037742596 + 13985900644 = 173314^2 + 118262^2 .

It is a junction number, because it is equal to n+sod(n) for n = 44023643197 and 44023643206.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1975547 + ... + 1997706.

Almost surely, 2^44023643240 is an apocalyptic number.

44023643240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44023643240 is an abundant number, since it is smaller than the sum of its proper divisors (55387171840).

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

44023643240 is a wasteful number, since it uses less digits than its factorization.

44023643240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3973541 (or 3973537 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 32.

The spelling of 44023643240 in words is "forty-four billion, twenty-three million, six hundred forty-three thousand, two hundred forty".