40141381 has 8 divisors (see below), whose sum is σ = 45915840. Its totient is φ = 34376928.

The previous prime is 40141379. The next prime is 40141397. The reversal of 40141381 is 18314104.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40141381 - 2¹ = 40141379 is a prime.

It is a super-2 number, since 2×40141381² = 3222660937174322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40141331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10905 + ... + 14113.

It is an arithmetic number, because the mean of its divisors is an integer number (5739480).

Almost surely, 2^40141381 is an apocalyptic number.

It is an amenable number.

40141381 is a deficient number, since it is larger than the sum of its proper divisors (5774459).

40141381 is a wasteful number, since it uses less digits than its factorization.

40141381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5003.

The product of its (nonzero) digits is 384, while the sum is 22.

The square root of 40141381 is about 6335.7226107209. The cubic root of 40141381 is about 342.3976457253.

Adding to 40141381 its reverse (18314104), we get a palindrome (58455485).

The spelling of 40141381 in words is "forty million, one hundred forty-one thousand, three hundred eighty-one".