40861513 has 8 divisors (see below), whose sum is σ = 50944320. Its totient is φ = 31840080.

The previous prime is 40861507. The next prime is 40861517. The reversal of 40861513 is 31516804.

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 40861513 - 2¹³ = 40853321 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40861517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 265258 + ... + 265411.

It is an arithmetic number, because the mean of its divisors is an integer number (6368040).

Almost surely, 2^40861513 is an apocalyptic number.

It is an amenable number.

40861513 is a deficient number, since it is larger than the sum of its proper divisors (10082807).

40861513 is a wasteful number, since it uses less digits than its factorization.

40861513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 530687.

The product of its (nonzero) digits is 2880, while the sum is 28.

The square root of 40861513 is about 6392.3010723839. The cubic root of 40861513 is about 344.4330476709.

The spelling of 40861513 in words is "forty million, eight hundred sixty-one thousand, five hundred thirteen".