240402011 has 16 divisors (see below), whose sum is σ = 249407424. Its totient is φ = 231613824.

The previous prime is 240401999. The next prime is 240402013. The reversal of 240402011 is 110204042.

It is a cyclic number.

It is not a de Polignac number, because 240402011 - 2²⁶ = 173293147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240402013) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1389521 + ... + 1389693.

It is an arithmetic number, because the mean of its divisors is an integer number (15587964).

Almost surely, 2^240402011 is an apocalyptic number.

240402011 is a deficient number, since it is larger than the sum of its proper divisors (9005413).

240402011 is a wasteful number, since it uses less digits than its factorization.

240402011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 240402011 is about 15504.9028052420. The cubic root of 240402011 is about 621.7932914238.

Adding to 240402011 its reverse (110204042), we get a palindrome (350606053).

The spelling of 240402011 in words is "two hundred forty million, four hundred two thousand, eleven".