40116261 has 8 divisors (see below), whose sum is σ = 53897184. Its totient is φ = 26539760.

The previous prime is 40116253. The next prime is 40116269. The reversal of 40116261 is 16261104.

It is an interprime number because it is at equal distance from previous prime (40116253) and next prime (40116269).

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 40116261 - 2³ = 40116253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40116269) 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, 50646 + ... + 51431.

It is an arithmetic number, because the mean of its divisors is an integer number (6737148).

Almost surely, 2^40116261 is an apocalyptic number.

It is an amenable number.

40116261 is a deficient number, since it is larger than the sum of its proper divisors (13780923).

40116261 is a wasteful number, since it uses less digits than its factorization.

40116261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102211.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 40116261 is about 6333.7398904597. The cubic root of 40116261 is about 342.3262080267.

Adding to 40116261 its reverse (16261104), we get a palindrome (56377365).

The spelling of 40116261 in words is "forty million, one hundred sixteen thousand, two hundred sixty-one".