40115461 has 8 divisors (see below), whose sum is σ = 42531264. Its totient is φ = 37705920.

The previous prime is 40115459. The next prime is 40115501. The reversal of 40115461 is 16451104.

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

It is a cyclic number.

It is not a de Polignac number, because 40115461 - 2¹ = 40115459 is a prime.

It is a super-3 number, since 3×40115461³ (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40110461) 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, 21246 + ... + 23056.

It is an arithmetic number, because the mean of its divisors is an integer number (5316408).

Almost surely, 2^40115461 is an apocalyptic number.

It is an amenable number.

40115461 is a deficient number, since it is larger than the sum of its proper divisors (2415803).

40115461 is a wasteful number, since it uses less digits than its factorization.

40115461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3131.

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 40115461 is about 6333.6767363041. The cubic root of 40115461 is about 342.3239324508.

Adding to 40115461 its reverse (16451104), we get a palindrome (56566565).

The spelling of 40115461 in words is "forty million, one hundred fifteen thousand, four hundred sixty-one".