40435061 has 8 divisors (see below), whose sum is σ = 43858584. Its totient is φ = 37127680.

The previous prime is 40435051. The next prime is 40435063. The reversal of 40435061 is 16053404.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9186961 + 31248100 = 3031^2 + 5590^2 .

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40435061 is a prime.

It is a super-3 number, since 3×40435061³ (a number of 24 digits) contains 333 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 (40435063) 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, 28310 + ... + 29703.

It is an arithmetic number, because the mean of its divisors is an integer number (5482323).

Almost surely, 2^40435061 is an apocalyptic number.

40435061 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

40435061 is a deficient number, since it is larger than the sum of its proper divisors (3423523).

40435061 is a wasteful number, since it uses less digits than its factorization.

40435061 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 58071.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 40435061 is about 6358.8568941281. The cubic root of 40435061 is about 343.2306274207.

Adding to 40435061 its reverse (16053404), we get a palindrome (56488465).

The spelling of 40435061 in words is "forty million, four hundred thirty-five thousand, sixty-one".