40044024002444 has 48 divisors (see below), whose sum is σ = 87371188590336. Its totient is φ = 15601137624000.

The previous prime is 40044024002419. The next prime is 40044024002459. The reversal of 40044024002444 is 44420042044004.

It is a super-2 number, since 2×40044024002444² (a number of 28 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 40044024002444.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9511994 + ... + 13060094.

It is an arithmetic number, because the mean of its divisors is an integer number (1820233095632).

Almost surely, 2^{40044024002444} is an apocalyptic number.

40044024002444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40044024002444 is an abundant number, since it is smaller than the sum of its proper divisors (47327164587892).

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

40044024002444 is a wasteful number, since it uses less digits than its factorization.

40044024002444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3584766 (or 3584764 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 32.

Adding to 40044024002444 its reverse (44420042044004), we get a palindrome (84464066046448).

The spelling of 40044024002444 in words is "forty trillion, forty-four billion, twenty-four million, two thousand, four hundred forty-four".