40454141 has 16 divisors (see below), whose sum is σ = 50313984. Its totient is φ = 31670784.

The previous prime is 40454137. The next prime is 40454189. The reversal of 40454141 is 14145404.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40454141 - 2² = 40454137 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40454341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6536 + ... + 11118.

It is an arithmetic number, because the mean of its divisors is an integer number (3144624).

Almost surely, 2^40454141 is an apocalyptic number.

It is an amenable number.

40454141 is a deficient number, since it is larger than the sum of its proper divisors (9859843).

40454141 is a wasteful number, since it uses less digits than its factorization.

40454141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4700.

The product of its (nonzero) digits is 1280, while the sum is 23.

The square root of 40454141 is about 6360.3569868365. The cubic root of 40454141 is about 343.2846054158.

Adding to 40454141 its reverse (14145404), we get a palindrome (54599545).

It can be divided in two parts, 404 and 54141, that added together give a palindrome (54545).

The spelling of 40454141 in words is "forty million, four hundred fifty-four thousand, one hundred forty-one".