40434461 has 4 divisors (see below), whose sum is σ = 40464000. Its totient is φ = 40404924.

The previous prime is 40434431. The next prime is 40434463. The reversal of 40434461 is 16443404.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 40434461 - 2¹⁸ = 40172317 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 40434461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40434463) 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, 12611 + ... + 15488.

It is an arithmetic number, because the mean of its divisors is an integer number (10116000).

Almost surely, 2^40434461 is an apocalyptic number.

It is an amenable number.

40434461 is a deficient number, since it is larger than the sum of its proper divisors (29539).

40434461 is a wasteful number, since it uses less digits than its factorization.

40434461 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29538.

The product of its (nonzero) digits is 4608, while the sum is 26.

The square root of 40434461 is about 6358.8097156622. The cubic root of 40434461 is about 343.2289297241.

Adding to 40434461 its reverse (16443404), we get a palindrome (56877865).

The spelling of 40434461 in words is "forty million, four hundred thirty-four thousand, four hundred sixty-one".