40561435 has 8 divisors (see below), whose sum is σ = 49989456. Its totient is φ = 31572000.

The previous prime is 40561403. The next prime is 40561471. The reversal of 40561435 is 53416504.

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

It is not a de Polignac number, because 40561435 - 2⁵ = 40561403 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 109441 + ... + 109810.

It is an arithmetic number, because the mean of its divisors is an integer number (6248682).

Almost surely, 2^40561435 is an apocalyptic number.

40561435 is a deficient number, since it is larger than the sum of its proper divisors (9428021).

40561435 is a wasteful number, since it uses less digits than its factorization.

40561435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219293.

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 40561435 is about 6368.7859910661. The cubic root of 40561435 is about 343.5878282973.

Adding to 40561435 its reverse (53416504), we get a palindrome (93977939).

The spelling of 40561435 in words is "forty million, five hundred sixty-one thousand, four hundred thirty-five".