40894261 has 8 divisors (see below), whose sum is σ = 42165144. Its totient is φ = 39636480.

The previous prime is 40894241. The next prime is 40894279. The reversal of 40894261 is 16249804.

It can be written as a sum of positive squares in 4 ways, for example, as 11025 + 40883236 = 105^2 + 6394^2 .

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 40894261 - 2⁵ = 40894229 is a prime.

It is a super-2 number, since 2×40894261² = 3344681165472242, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40894241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3261 + ... + 9613.

It is an arithmetic number, because the mean of its divisors is an integer number (5270643).

Almost surely, 2^40894261 is an apocalyptic number.

40894261 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

40894261 is a deficient number, since it is larger than the sum of its proper divisors (1270883).

40894261 is a wasteful number, since it uses less digits than its factorization.

40894261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6551.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 40894261 is about 6394.8620782625. The cubic root of 40894261 is about 344.5250370979.

The spelling of 40894261 in words is "forty million, eight hundred ninety-four thousand, two hundred sixty-one".