40321011 has 8 divisors (see below), whose sum is σ = 53861824. Its totient is φ = 26830440.

The previous prime is 40321007. The next prime is 40321019. The reversal of 40321011 is 11012304.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40321011 - 2² = 40321007 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40321019) 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, 10645 + ... + 13926.

It is an arithmetic number, because the mean of its divisors is an integer number (6732728).

Almost surely, 2^40321011 is an apocalyptic number.

40321011 is a deficient number, since it is larger than the sum of its proper divisors (13540813).

40321011 is a wasteful number, since it uses less digits than its factorization.

40321011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25121.

The product of its (nonzero) digits is 24, while the sum is 12.

The square root of 40321011 is about 6349.8827548231. The cubic root of 40321011 is about 342.9076213128.

Adding to 40321011 its reverse (11012304), we get a palindrome (51333315).

The spelling of 40321011 in words is "forty million, three hundred twenty-one thousand, eleven".