40897263 has 8 divisors (see below), whose sum is σ = 59486976. Its totient is φ = 24786200.

The previous prime is 40897249. The next prime is 40897271. The reversal of 40897263 is 36279804.

40897263 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40897263 - 2⁵ = 40897231 is a prime.

It is a super-2 number, since 2×40897263² = 3345172241782338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40897763) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 619623 + ... + 619688.

It is an arithmetic number, because the mean of its divisors is an integer number (7435872).

Almost surely, 2^40897263 is an apocalyptic number.

40897263 is a deficient number, since it is larger than the sum of its proper divisors (18589713).

40897263 is a wasteful number, since it uses less digits than its factorization.

40897263 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1239325.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 40897263 is about 6395.0967936381. The cubic root of 40897263 is about 344.5334672854.

The spelling of 40897263 in words is "forty million, eight hundred ninety-seven thousand, two hundred sixty-three".