40891054 has 8 divisors (see below), whose sum is σ = 61461000. Its totient is φ = 20404056.

The previous prime is 40891051. The next prime is 40891057. The reversal of 40891054 is 45019804.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (40891051) and next prime (40891057).

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40891051) 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 3 ways as a sum of consecutive naturals, for example, 19489 + ... + 21484.

It is an arithmetic number, because the mean of its divisors is an integer number (7682625).

Almost surely, 2^40891054 is an apocalyptic number.

40891054 is a deficient number, since it is larger than the sum of its proper divisors (20569946).

40891054 is a wasteful number, since it uses less digits than its factorization.

40891054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41474.

The product of its (nonzero) digits is 5760, while the sum is 31.

The square root of 40891054 is about 6394.6113251706. The cubic root of 40891054 is about 344.5160307757.

The spelling of 40891054 in words is "forty million, eight hundred ninety-one thousand, fifty-four".