40860491 has 8 divisors (see below), whose sum is σ = 46866144. Its totient is φ = 34896960.

The previous prime is 40860487. The next prime is 40860497. The reversal of 40860491 is 19406804.

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

It is not a de Polignac number, because 40860491 - 2² = 40860487 is a prime.

It is a super-2 number, since 2×40860491² = 3339159449522162, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40860497) 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, 8420 + ... + 12353.

It is an arithmetic number, because the mean of its divisors is an integer number (5858268).

Almost surely, 2^40860491 is an apocalyptic number.

40860491 is a deficient number, since it is larger than the sum of its proper divisors (6005653).

40860491 is a wasteful number, since it uses less digits than its factorization.

40860491 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21061.

The product of its (nonzero) digits is 6912, while the sum is 32.

The square root of 40860491 is about 6392.2211319697. The cubic root of 40860491 is about 344.4301760729.

The spelling of 40860491 in words is "forty million, eight hundred sixty thousand, four hundred ninety-one".