44400202040 has 32 divisors (see below), whose sum is σ = 100663065360. Its totient is φ = 17624505600.

The previous prime is 44400202039. The next prime is 44400202109. The reversal of 44400202040 is 4020200444.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4231421 + ... + 4241900.

Almost surely, 2^44400202040 is an apocalyptic number.

44400202040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

44400202040 is an abundant number, since it is smaller than the sum of its proper divisors (56262863320).

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

44400202040 is a wasteful number, since it uses less digits than its factorization.

44400202040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8473463 (or 8473459 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 44400202040 its reverse (4020200444), we get a palindrome (48420402484).

The spelling of 44400202040 in words is "forty-four billion, four hundred million, two hundred two thousand, forty".