40191363 has 16 divisors (see below), whose sum is σ = 59690400. Its totient is φ = 26727840.

The previous prime is 40191343. The next prime is 40191379. The reversal of 40191363 is 36319104.

It is not a de Polignac number, because 40191363 - 2⁹ = 40190851 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (40191313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10833 + ... + 14061.

It is an arithmetic number, because the mean of its divisors is an integer number (3730650).

Almost surely, 2^40191363 is an apocalyptic number.

40191363 is a deficient number, since it is larger than the sum of its proper divisors (19499037).

40191363 is a wasteful number, since it uses less digits than its factorization.

40191363 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3699 (or 3693 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 40191363 is about 6339.6658429289. The cubic root of 40191363 is about 342.5396988100.

The spelling of 40191363 in words is "forty million, one hundred ninety-one thousand, three hundred sixty-three".