40920263 has 4 divisors (see below), whose sum is σ = 40991760. Its totient is φ = 40848768.

The previous prime is 40920259. The next prime is 40920283. The reversal of 40920263 is 36202904.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40920263 - 2² = 40920259 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40920283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34883 + ... + 36036.

It is an arithmetic number, because the mean of its divisors is an integer number (10247940).

Almost surely, 2^40920263 is an apocalyptic number.

40920263 is a deficient number, since it is larger than the sum of its proper divisors (71497).

40920263 is an equidigital number, since it uses as much as digits as its factorization.

40920263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71496.

The product of its (nonzero) digits is 2592, while the sum is 26.

The square root of 40920263 is about 6396.8947935698. The cubic root of 40920263 is about 344.5980419792.

The spelling of 40920263 in words is "forty million, nine hundred twenty thousand, two hundred sixty-three".