40401193 has 8 divisors (see below), whose sum is σ = 46805888. Its totient is φ = 34154784.

The previous prime is 40401187. The next prime is 40401217. The reversal of 40401193 is 39110404.

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 40401193 - 2¹⁷ = 40270121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40401103) 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, 39021 + ... + 40042.

It is an arithmetic number, because the mean of its divisors is an integer number (5850736).

Almost surely, 2^40401193 is an apocalyptic number.

It is an amenable number.

40401193 is a deficient number, since it is larger than the sum of its proper divisors (6404695).

40401193 is an equidigital number, since it uses as much as digits as its factorization.

40401193 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79143.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 40401193 is about 6356.1932789996. The cubic root of 40401193 is about 343.1347718138.

Adding to 40401193 its reverse (39110404), we get a palindrome (79511597).

The spelling of 40401193 in words is "forty million, four hundred one thousand, one hundred ninety-three".