40147263 has 24 divisors (see below), whose sum is σ = 64471680. Its totient is φ = 23906880.

The previous prime is 40147249. The next prime is 40147267. The reversal of 40147263 is 36274104.

It is not a de Polignac number, because 40147263 - 2¹² = 40143167 is a prime.

It is a super-2 number, since 2×40147263² = 3223605452782338, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40147267) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1908 + ... + 9161.

It is an arithmetic number, because the mean of its divisors is an integer number (2686320).

Almost surely, 2^40147263 is an apocalyptic number.

40147263 is a deficient number, since it is larger than the sum of its proper divisors (24324417).

40147263 is a wasteful number, since it uses less digits than its factorization.

40147263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11119 (or 11116 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 27.

The square root of 40147263 is about 6336.1867870195. The cubic root of 40147263 is about 342.4143689880.

The spelling of 40147263 in words is "forty million, one hundred forty-seven thousand, two hundred sixty-three".