40140441 has 24 divisors (see below), whose sum is σ = 65598624. Its totient is φ = 24325920.

The previous prime is 40140431. The next prime is 40140461. The reversal of 40140441 is 14404104.

It is not a de Polignac number, because 40140441 - 2¹⁰ = 40139417 is a prime.

It is a super-2 number, since 2×40140441² = 3222510007348962, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40140421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4836 + ... + 10181.

It is an arithmetic number, because the mean of its divisors is an integer number (2733276).

Almost surely, 2^40140441 is an apocalyptic number.

It is an amenable number.

40140441 is a deficient number, since it is larger than the sum of its proper divisors (25458183).

40140441 is a wasteful number, since it uses less digits than its factorization.

40140441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15043 (or 15031 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

The square root of 40140441 is about 6335.6484277460. The cubic root of 40140441 is about 342.3949730361.

Adding to 40140441 its reverse (14404104), we get a palindrome (54544545).

The spelling of 40140441 in words is "forty million, one hundred forty thousand, four hundred forty-one".