40014143444 has 24 divisors (see below), whose sum is σ = 76428273600. Its totient is φ = 18179286080.

The previous prime is 40014143437. The next prime is 40014143459. The reversal of 40014143444 is 44434141004.

40014143444 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40014143444² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133289 + ... + 312720.

It is an arithmetic number, because the mean of its divisors is an integer number (3184511400).

Almost surely, 2^40014143444 is an apocalyptic number.

40014143444 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

40014143444 is a deficient number, since it is larger than the sum of its proper divisors (36414130156).

40014143444 is a wasteful number, since it uses less digits than its factorization.

40014143444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 448063 (or 448061 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 40014143444 its reverse (44434141004), we get a palindrome (84448284448).

The spelling of 40014143444 in words is "forty billion, fourteen million, one hundred forty-three thousand, four hundred forty-four".