40363091 has 8 divisors (see below), whose sum is σ = 42197760. Its totient is φ = 38535112.

The previous prime is 40363067. The next prime is 40363109. The reversal of 40363091 is 19036304.

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 40363091 - 2¹⁴ = 40346707 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40363091.

It is not an unprimeable number, because it can be changed into a prime (40363061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13826 + ... + 16488.

It is an arithmetic number, because the mean of its divisors is an integer number (5274720).

Almost surely, 2^40363091 is an apocalyptic number.

40363091 is a deficient number, since it is larger than the sum of its proper divisors (1834669).

40363091 is a wasteful number, since it uses less digits than its factorization.

40363091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3345.

The product of its (nonzero) digits is 1944, while the sum is 26.

The square root of 40363091 is about 6353.1953377808. The cubic root of 40363091 is about 343.0268687852.

Adding to 40363091 its reverse (19036304), we get a palindrome (59399395).

The spelling of 40363091 in words is "forty million, three hundred sixty-three thousand, ninety-one".