40141444 has 12 divisors (see below), whose sum is σ = 80282944. Its totient is φ = 17203464.

The previous prime is 40141441. The next prime is 40141447. The reversal of 40141444 is 44414104.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40141441) and next prime (40141447).

40141444 is an admirable number.

It is a super-2 number, since 2×40141444² = 3222671052810272, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40141441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 716784 + ... + 716839.

Almost surely, 2^40141444 is an apocalyptic number.

It is an amenable number.

40141444 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

40141444 is a wasteful number, since it uses less digits than its factorization.

40141444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1433634 (or 1433632 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 40141444 is about 6335.7275825275. The cubic root of 40141444 is about 342.3978248508.

Adding to 40141444 its reverse (44414104), we get a palindrome (84555548).

The spelling of 40141444 in words is "forty million, one hundred forty-one thousand, four hundred forty-four".