40402011 has 8 divisors (see below), whose sum is σ = 58013200. Its totient is φ = 24862752.

The previous prime is 40402009. The next prime is 40402027. The reversal of 40402011 is 11020404.

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

It is not a de Polignac number, because 40402011 - 2¹ = 40402009 is a prime.

It is a super-3 number, since 3×40402011³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40402031) 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, 517936 + ... + 518013.

It is an arithmetic number, because the mean of its divisors is an integer number (7251650).

Almost surely, 2^40402011 is an apocalyptic number.

40402011 is a deficient number, since it is larger than the sum of its proper divisors (17611189).

40402011 is a wasteful number, since it uses less digits than its factorization.

40402011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035965.

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 40402011 is about 6356.2576253642. The cubic root of 40402011 is about 343.1370876064.

Adding to 40402011 its reverse (11020404), we get a palindrome (51422415).

The spelling of 40402011 in words is "forty million, four hundred two thousand, eleven".